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<record><TEI><teiHeader><fileDesc><titleStmt><title xml:lang="en">Trends and Determinants of Antiretroviral Therapy Patient Monitoring Practices in Kenya and Uganda</title><author><name sortKey="Dansereau, Emily" sort="Dansereau, Emily" uniqKey="Dansereau E" first="Emily" last="Dansereau">Emily Dansereau</name><affiliation><nlm:aff id="aff001"><addr-line>Institute for Health Metrics and Evaluation, University of Washington, Seattle, Washington, United States of America</addr-line></nlm:aff></affiliation></author><author><name sortKey="Gakidou, Emmanuela" sort="Gakidou, Emmanuela" uniqKey="Gakidou E" first="Emmanuela" last="Gakidou">Emmanuela Gakidou</name><affiliation><nlm:aff id="aff001"><addr-line>Institute for Health Metrics and Evaluation, University of Washington, Seattle, Washington, United States of America</addr-line></nlm:aff></affiliation></author><author><name sortKey="Ng, Marie" sort="Ng, Marie" uniqKey="Ng M" first="Marie" last="Ng">Marie Ng</name><affiliation><nlm:aff id="aff001"><addr-line>Institute for Health Metrics and Evaluation, University of Washington, Seattle, Washington, United States of America</addr-line></nlm:aff></affiliation></author><author><name sortKey="Achan, Jane" sort="Achan, Jane" uniqKey="Achan J" first="Jane" last="Achan">Jane Achan</name><affiliation><nlm:aff id="aff002"><addr-line>Department of Pediatrics and Child Health, Makerere University, Kampala, Uganda</addr-line></nlm:aff></affiliation></author><author><name sortKey="Burstein, Roy" sort="Burstein, Roy" uniqKey="Burstein R" first="Roy" last="Burstein">Roy Burstein</name><affiliation><nlm:aff id="aff001"><addr-line>Institute for Health Metrics and Evaluation, University of Washington, Seattle, Washington, United States of America</addr-line></nlm:aff></affiliation></author><author><name sortKey="Decenso, Brendan" sort="Decenso, Brendan" uniqKey="Decenso B" first="Brendan" last="Decenso">Brendan Decenso</name><affiliation><nlm:aff id="aff003"><addr-line>RTI International, Research Triangle Park, North Carolina, United States of America</addr-line></nlm:aff></affiliation></author><author><name sortKey="Gasasira, Anne" sort="Gasasira, Anne" uniqKey="Gasasira A" first="Anne" last="Gasasira">Anne Gasasira</name><affiliation><nlm:aff id="aff004"><addr-line>African Leaders Malaria Alliance, Kampala, Uganda</addr-line></nlm:aff></affiliation></author><author><name sortKey="Ikilezi, Gloria" sort="Ikilezi, Gloria" uniqKey="Ikilezi G" first="Gloria" last="Ikilezi">Gloria Ikilezi</name><affiliation><nlm:aff id="aff001"><addr-line>Institute for Health Metrics and Evaluation, University of Washington, Seattle, Washington, United States of America</addr-line></nlm:aff></affiliation></author><author><name sortKey="Kisia, Caroline" sort="Kisia, Caroline" uniqKey="Kisia C" first="Caroline" last="Kisia">Caroline Kisia</name><affiliation><nlm:aff id="aff005"><addr-line>Action Africa Health-International, Nairobi, Kenya</addr-line></nlm:aff></affiliation></author><author><name sortKey="Masters, Samuel H" sort="Masters, Samuel H" uniqKey="Masters S" first="Samuel H." last="Masters">Samuel H. Masters</name><affiliation><nlm:aff id="aff006"><addr-line>University of North Carolina, Chapel Hill, North Carolina, United States of America</addr-line></nlm:aff></affiliation></author><author><name sortKey="Njuguna, Pamela" sort="Njuguna, Pamela" uniqKey="Njuguna P" first="Pamela" last="Njuguna">Pamela Njuguna</name><affiliation><nlm:aff id="aff007"><addr-line>IFC World Bank Group, Nairobi, Kenya</addr-line></nlm:aff></affiliation></author><author><name sortKey="Odeny, Thomas A" sort="Odeny, Thomas A" uniqKey="Odeny T" first="Thomas A." last="Odeny">Thomas A. Odeny</name><affiliation><nlm:aff id="aff008"><addr-line>Department of Epidemiology, University of Washington, Seattle, Washington, United States of America</addr-line></nlm:aff></affiliation></author><author><name sortKey="Okiro, Emelda A" sort="Okiro, Emelda A" uniqKey="Okiro E" first="Emelda A." last="Okiro">Emelda A. Okiro</name><affiliation><nlm:aff id="aff009"><addr-line>Bill & Melinda Gates Foundation, Seattle, Washington, United States of America</addr-line></nlm:aff></affiliation></author><author><name sortKey="Roberts, D Allen" sort="Roberts, D Allen" uniqKey="Roberts D" first="D. Allen" last="Roberts">D. Allen Roberts</name><affiliation><nlm:aff id="aff001"><addr-line>Institute for Health Metrics and Evaluation, University of Washington, Seattle, Washington, United States of America</addr-line></nlm:aff></affiliation></author><author><name sortKey="Duber, Herbert C" sort="Duber, Herbert C" uniqKey="Duber H" first="Herbert C." last="Duber">Herbert C. Duber</name><affiliation><nlm:aff id="aff001"><addr-line>Institute for Health Metrics and Evaluation, University of Washington, Seattle, Washington, United States of America</addr-line></nlm:aff></affiliation></author></titleStmt><publicationStmt><idno type="wicri:source">PMC</idno><idno type="pmid">26275151</idno><idno type="pmc">4537267</idno><idno type="url">http://www.ncbi.nlm.nih.gov/pmc/articles/PMC4537267</idno><idno type="RBID">PMC:4537267</idno><idno type="doi">10.1371/journal.pone.0135653</idno><date when="2015">2015</date><idno type="wicri:Area/Pmc/Corpus">000183</idno><idno type="wicri:explorRef" wicri:stream="Pmc" wicri:step="Corpus" wicri:corpus="PMC">000183</idno></publicationStmt><sourceDesc><biblStruct><analytic><title xml:lang="en" level="a" type="main">Trends and Determinants of Antiretroviral Therapy Patient Monitoring Practices in Kenya and Uganda</title><author><name sortKey="Dansereau, Emily" sort="Dansereau, Emily" uniqKey="Dansereau E" first="Emily" last="Dansereau">Emily Dansereau</name><affiliation><nlm:aff id="aff001"><addr-line>Institute for Health Metrics and Evaluation, University of Washington, Seattle, Washington, United States of America</addr-line></nlm:aff></affiliation></author><author><name sortKey="Gakidou, Emmanuela" sort="Gakidou, Emmanuela" uniqKey="Gakidou E" first="Emmanuela" last="Gakidou">Emmanuela Gakidou</name><affiliation><nlm:aff id="aff001"><addr-line>Institute for Health Metrics and Evaluation, University of Washington, Seattle, Washington, United States of America</addr-line></nlm:aff></affiliation></author><author><name sortKey="Ng, Marie" sort="Ng, Marie" uniqKey="Ng M" first="Marie" last="Ng">Marie Ng</name><affiliation><nlm:aff id="aff001"><addr-line>Institute for Health Metrics and Evaluation, University of Washington, Seattle, Washington, United States of America</addr-line></nlm:aff></affiliation></author><author><name sortKey="Achan, Jane" sort="Achan, Jane" uniqKey="Achan J" first="Jane" last="Achan">Jane Achan</name><affiliation><nlm:aff id="aff002"><addr-line>Department of Pediatrics and Child Health, Makerere University, Kampala, Uganda</addr-line></nlm:aff></affiliation></author><author><name sortKey="Burstein, Roy" sort="Burstein, Roy" uniqKey="Burstein R" first="Roy" last="Burstein">Roy Burstein</name><affiliation><nlm:aff id="aff001"><addr-line>Institute for Health Metrics and Evaluation, University of Washington, Seattle, Washington, United States of America</addr-line></nlm:aff></affiliation></author><author><name sortKey="Decenso, Brendan" sort="Decenso, Brendan" uniqKey="Decenso B" first="Brendan" last="Decenso">Brendan Decenso</name><affiliation><nlm:aff id="aff003"><addr-line>RTI International, Research Triangle Park, North Carolina, United States of America</addr-line></nlm:aff></affiliation></author><author><name sortKey="Gasasira, Anne" sort="Gasasira, Anne" uniqKey="Gasasira A" first="Anne" last="Gasasira">Anne Gasasira</name><affiliation><nlm:aff id="aff004"><addr-line>African Leaders Malaria Alliance, Kampala, Uganda</addr-line></nlm:aff></affiliation></author><author><name sortKey="Ikilezi, Gloria" sort="Ikilezi, Gloria" uniqKey="Ikilezi G" first="Gloria" last="Ikilezi">Gloria Ikilezi</name><affiliation><nlm:aff id="aff001"><addr-line>Institute for Health Metrics and Evaluation, University of Washington, Seattle, Washington, United States of America</addr-line></nlm:aff></affiliation></author><author><name sortKey="Kisia, Caroline" sort="Kisia, Caroline" uniqKey="Kisia C" first="Caroline" last="Kisia">Caroline Kisia</name><affiliation><nlm:aff id="aff005"><addr-line>Action Africa Health-International, Nairobi, Kenya</addr-line></nlm:aff></affiliation></author><author><name sortKey="Masters, Samuel H" sort="Masters, Samuel H" uniqKey="Masters S" first="Samuel H." last="Masters">Samuel H. Masters</name><affiliation><nlm:aff id="aff006"><addr-line>University of North Carolina, Chapel Hill, North Carolina, United States of America</addr-line></nlm:aff></affiliation></author><author><name sortKey="Njuguna, Pamela" sort="Njuguna, Pamela" uniqKey="Njuguna P" first="Pamela" last="Njuguna">Pamela Njuguna</name><affiliation><nlm:aff id="aff007"><addr-line>IFC World Bank Group, Nairobi, Kenya</addr-line></nlm:aff></affiliation></author><author><name sortKey="Odeny, Thomas A" sort="Odeny, Thomas A" uniqKey="Odeny T" first="Thomas A." last="Odeny">Thomas A. Odeny</name><affiliation><nlm:aff id="aff008"><addr-line>Department of Epidemiology, University of Washington, Seattle, Washington, United States of America</addr-line></nlm:aff></affiliation></author><author><name sortKey="Okiro, Emelda A" sort="Okiro, Emelda A" uniqKey="Okiro E" first="Emelda A." last="Okiro">Emelda A. Okiro</name><affiliation><nlm:aff id="aff009"><addr-line>Bill & Melinda Gates Foundation, Seattle, Washington, United States of America</addr-line></nlm:aff></affiliation></author><author><name sortKey="Roberts, D Allen" sort="Roberts, D Allen" uniqKey="Roberts D" first="D. Allen" last="Roberts">D. Allen Roberts</name><affiliation><nlm:aff id="aff001"><addr-line>Institute for Health Metrics and Evaluation, University of Washington, Seattle, Washington, United States of America</addr-line></nlm:aff></affiliation></author><author><name sortKey="Duber, Herbert C" sort="Duber, Herbert C" uniqKey="Duber H" first="Herbert C." last="Duber">Herbert C. Duber</name><affiliation><nlm:aff id="aff001"><addr-line>Institute for Health Metrics and Evaluation, University of Washington, Seattle, Washington, United States of America</addr-line></nlm:aff></affiliation></author></analytic><series><title level="j">PLoS ONE</title><idno type="eISSN">1932-6203</idno><imprint><date when="2015">2015</date></imprint></series></biblStruct></sourceDesc></fileDesc><profileDesc><textClass></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en"><sec id="sec001"><title>Introduction</title><p>Patients receiving antiretroviral therapy (ART) require routine monitoring to track response to treatment and assess for treatment failure. This study aims to identify gaps in monitoring practices in Kenya and Uganda.</p></sec><sec id="sec002"><title>Methods</title><p>We conducted a systematic retrospective chart review of adults who initiated ART between 2007 and 2012. We assessed the availability of baseline measurements (CD4 count, weight, and WHO stage) and ongoing CD4 and weight monitoring according to national guidelines in place at the time. Mixed-effects logistic regression models were used to analyze facility and patient factors associated with meeting monitoring guidelines.</p></sec><sec id="sec003"><title>Results</title><p>From 2007 to 2012, at least 88% of patients per year in Uganda had a recorded weight at initiation, while in Kenya there was a notable increase from 69% to 90%. Patients with a documented baseline CD4 count increased from 69% to about 80% in both countries. In 2012, 83% and 86% of established patients received the recommended quarterly weight monitoring in Kenya and Uganda, respectively, while semiannual CD4 monitoring was less common (49% in Kenya and 38% in Uganda). Initiating at a more advanced WHO stage was associated with a lower odds of baseline CD4 testing. On-site CD4 analysis capacity was associated with increased odds of CD4 testing at baseline and in the future.</p></sec><sec id="sec004"><title>Discussion</title><p>Substantial gaps were noted in ongoing CD4 monitoring of patients on ART. 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<front><journal-meta><journal-id journal-id-type="nlm-ta">PLoS One</journal-id><journal-id journal-id-type="iso-abbrev">PLoS ONE</journal-id><journal-id journal-id-type="publisher-id">plos</journal-id><journal-id journal-id-type="pmc">plosone</journal-id><journal-title-group><journal-title>PLoS ONE</journal-title></journal-title-group><issn pub-type="epub">1932-6203</issn><publisher><publisher-name>Public Library of Science</publisher-name><publisher-loc>San Francisco, CA USA</publisher-loc></publisher></journal-meta><article-meta><article-id pub-id-type="pmid">26275151</article-id><article-id pub-id-type="pmc">4537267</article-id><article-id pub-id-type="doi">10.1371/journal.pone.0135653</article-id><article-id pub-id-type="publisher-id">PONE-D-15-24435</article-id><article-categories><subj-group subj-group-type="heading"><subject>Research Article</subject></subj-group></article-categories><title-group><article-title>Trends and Determinants of Antiretroviral Therapy Patient Monitoring Practices in Kenya and Uganda</article-title><alt-title alt-title-type="running-head">ART Patient Monitoring in Kenya and Uganda</alt-title></title-group><contrib-group><contrib contrib-type="author"><name><surname>Dansereau</surname><given-names>Emily</given-names></name><xref ref-type="aff" rid="aff001"><sup>1</sup></xref></contrib><contrib contrib-type="author"><name><surname>Gakidou</surname><given-names>Emmanuela</given-names></name><xref ref-type="aff" rid="aff001"><sup>1</sup></xref></contrib><contrib contrib-type="author"><name><surname>Ng</surname><given-names>Marie</given-names></name><xref ref-type="aff" rid="aff001"><sup>1</sup></xref></contrib><contrib contrib-type="author"><name><surname>Achan</surname><given-names>Jane</given-names></name><xref ref-type="aff" rid="aff002"><sup>2</sup></xref></contrib><contrib contrib-type="author"><name><surname>Burstein</surname><given-names>Roy</given-names></name><xref ref-type="aff" rid="aff001"><sup>1</sup></xref></contrib><contrib contrib-type="author"><name><surname>DeCenso</surname><given-names>Brendan</given-names></name><xref ref-type="aff" rid="aff003"><sup>3</sup></xref></contrib><contrib contrib-type="author"><name><surname>Gasasira</surname><given-names>Anne</given-names></name><xref ref-type="aff" rid="aff004"><sup>4</sup></xref></contrib><contrib contrib-type="author"><name><surname>Ikilezi</surname><given-names>Gloria</given-names></name><xref ref-type="aff" rid="aff001"><sup>1</sup></xref></contrib><contrib contrib-type="author"><name><surname>Kisia</surname><given-names>Caroline</given-names></name><xref ref-type="aff" rid="aff005"><sup>5</sup></xref></contrib><contrib contrib-type="author"><name><surname>Masters</surname><given-names>Samuel H.</given-names></name><xref ref-type="aff" rid="aff006"><sup>6</sup></xref></contrib><contrib contrib-type="author"><name><surname>Njuguna</surname><given-names>Pamela</given-names></name><xref ref-type="aff" rid="aff007"><sup>7</sup></xref></contrib><contrib contrib-type="author"><name><surname>Odeny</surname><given-names>Thomas A.</given-names></name><xref ref-type="aff" rid="aff008"><sup>8</sup></xref></contrib><contrib contrib-type="author"><name><surname>Okiro</surname><given-names>Emelda A.</given-names></name><xref ref-type="aff" rid="aff009"><sup>9</sup></xref></contrib><contrib contrib-type="author"><name><surname>Roberts</surname><given-names>D. Allen</given-names></name><xref ref-type="aff" rid="aff001"><sup>1</sup></xref></contrib><contrib contrib-type="author"><name><surname>Duber</surname><given-names>Herbert C.</given-names></name><xref ref-type="aff" rid="aff001"><sup>1</sup></xref><xref rid="cor001" ref-type="corresp">*</xref></contrib></contrib-group><aff id="aff001"><label>1</label><addr-line>Institute for Health Metrics and Evaluation, University of Washington, Seattle, Washington, United States of America</addr-line></aff><aff id="aff002"><label>2</label><addr-line>Department of Pediatrics and Child Health, Makerere University, Kampala, Uganda</addr-line></aff><aff id="aff003"><label>3</label><addr-line>RTI International, Research Triangle Park, North Carolina, United States of America</addr-line></aff><aff id="aff004"><label>4</label><addr-line>African Leaders Malaria Alliance, Kampala, Uganda</addr-line></aff><aff id="aff005"><label>5</label><addr-line>Action Africa Health-International, Nairobi, Kenya</addr-line></aff><aff id="aff006"><label>6</label><addr-line>University of North Carolina, Chapel Hill, North Carolina, United States of America</addr-line></aff><aff id="aff007"><label>7</label><addr-line>IFC World Bank Group, Nairobi, Kenya</addr-line></aff><aff id="aff008"><label>8</label><addr-line>Department of Epidemiology, University of Washington, Seattle, Washington, United States of America</addr-line></aff><aff id="aff009"><label>9</label><addr-line>Bill & Melinda Gates Foundation, Seattle, Washington, United States of America</addr-line></aff><contrib-group><contrib contrib-type="editor"><name><surname>Kumar</surname><given-names>Anil</given-names></name><role>Editor</role><xref ref-type="aff" rid="edit1"></xref></contrib></contrib-group><aff id="edit1"><addr-line>University of Missouri-Kansas City, UNITED STATES</addr-line></aff><author-notes><fn fn-type="conflict" id="coi001"><p><bold>Competing Interests: </bold>One of the authors (PN) has been a consultant for Afya Resource Associates and IFC World Bank Group. The authors have no additional competing interests to declare. This does not alter the authors adherence to PLOS ONE policies on sharing data and materials.</p></fn><fn fn-type="con" id="contrib001"><p>Conceived and designed the experiments: ED EG HCD. Performed the experiments: ED JA AG GI CK SHM PN. Analyzed the data: ED EG MN RB BD AG SHM TAO EAO DAR HCD. Wrote the paper: ED EG MN JA RB BD AG GI CK SHM PN TAO EAO DAR HCD.</p></fn><corresp id="cor001">* E-mail: <email>hduber@uw.edu</email></corresp></author-notes><pub-date pub-type="epub"><day>14</day><month>8</month><year>2015</year></pub-date><pub-date pub-type="collection"><year>2015</year></pub-date><volume>10</volume><issue>8</issue><elocation-id>e0135653</elocation-id><history><date date-type="received"><day>4</day><month>6</month><year>2015</year></date><date date-type="accepted"><day>23</day><month>7</month><year>2015</year></date></history><permissions><copyright-year>2015</copyright-year><copyright-holder>Dansereau et al</copyright-holder><license xlink:href="http://creativecommons.org/licenses/by/4.0/"><license-p>This is an open access article distributed under the terms of the <ext-link ext-link-type="uri" xlink:href="http://creativecommons.org/licenses/by/4.0/">Creative Commons Attribution License</ext-link>, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited</license-p></license></permissions><self-uri content-type="pdf" xlink:type="simple" xlink:href="pone.0135653.pdf"></self-uri><abstract><sec id="sec001"><title>Introduction</title><p>Patients receiving antiretroviral therapy (ART) require routine monitoring to track response to treatment and assess for treatment failure. This study aims to identify gaps in monitoring practices in Kenya and Uganda.</p></sec><sec id="sec002"><title>Methods</title><p>We conducted a systematic retrospective chart review of adults who initiated ART between 2007 and 2012. We assessed the availability of baseline measurements (CD4 count, weight, and WHO stage) and ongoing CD4 and weight monitoring according to national guidelines in place at the time. Mixed-effects logistic regression models were used to analyze facility and patient factors associated with meeting monitoring guidelines.</p></sec><sec id="sec003"><title>Results</title><p>From 2007 to 2012, at least 88% of patients per year in Uganda had a recorded weight at initiation, while in Kenya there was a notable increase from 69% to 90%. Patients with a documented baseline CD4 count increased from 69% to about 80% in both countries. In 2012, 83% and 86% of established patients received the recommended quarterly weight monitoring in Kenya and Uganda, respectively, while semiannual CD4 monitoring was less common (49% in Kenya and 38% in Uganda). Initiating at a more advanced WHO stage was associated with a lower odds of baseline CD4 testing. On-site CD4 analysis capacity was associated with increased odds of CD4 testing at baseline and in the future.</p></sec><sec id="sec004"><title>Discussion</title><p>Substantial gaps were noted in ongoing CD4 monitoring of patients on ART. Although guidelines have since changed, limited laboratory capacity is likely to remain a significant issue in monitoring patients on ART, with important implications for ensuring quality care.</p></sec></abstract><funding-group><funding-statement>Funding for this work was provided by the Bill & Melinda Gates Foundation. The funder had no role in the study design, data collection and analysis, decision to publish, or preparation of the manuscript. One of the authors is currently employed as a consultant by a commercial entity (PN), but was employed by Action Africa Help International-Kenya at the time of the study. No commercial entities had any role in any component of this study or its funding.</funding-statement></funding-group><counts><fig-count count="3"></fig-count><table-count count="3"></table-count><page-count count="15"></page-count></counts><custom-meta-group><custom-meta id="data-availability"><meta-name>Data Availability</meta-name><meta-value>All underlying data are publicly available through the Global Health Data Exchange (GHDx): <ext-link ext-link-type="uri" xlink:href="http://ghdx.healthdata.org/record/uganda-access-bottlenecks-costs-and-equity-project-2012">http://ghdx.healthdata.org/record/uganda-access-bottlenecks-costs-and-equity-project-2012</ext-link>.</meta-value></custom-meta></custom-meta-group></article-meta><notes><title>Data Availability</title><p>All underlying data are publicly available through the Global Health Data Exchange (GHDx): <ext-link ext-link-type="uri" xlink:href="http://ghdx.healthdata.org/record/uganda-access-bottlenecks-costs-and-equity-project-2012">http://ghdx.healthdata.org/record/uganda-access-bottlenecks-costs-and-equity-project-2012</ext-link>.</p></notes></front><body><sec sec-type="intro" id="sec005"><title>Introduction</title><p>Over the past decade there has been a massive scale-up of antiretroviral therapy (ART) in sub-Saharan Africa. Between 2003 and 2012, the number of people receiving ART in the region rose from 100,000 to 7.5 million [<xref rid="pone.0135653.ref001" ref-type="bibr">1</xref>,<xref rid="pone.0135653.ref002" ref-type="bibr">2</xref>]. Kenya and Uganda were among the countries that rapidly expanded ART services during this time. In Kenya, the number of patients receiving ART more than doubled between 2008 and 2013, rising from 237,881 to 656,359 [<xref rid="pone.0135653.ref003" ref-type="bibr">3</xref>]. In Uganda, the number of people on ART has increased by more than 100,000 per year, from 313,117 in 2011 to 570,486 by late 2013 [<xref rid="pone.0135653.ref004" ref-type="bibr">4</xref>,<xref rid="pone.0135653.ref005" ref-type="bibr">5</xref>]. With more patients on treatment, the need to evaluate patients for ART eligibility, and monitor patients once on treatment, has also increased.</p><p>At the time of ART initiation, proper evaluation can identify severely underweight patients, as well as those with very low CD4 counts who are at higher risk of poor outcomes and may require closer clinic and provider follow-up [<xref rid="pone.0135653.ref006" ref-type="bibr">6</xref>,<xref rid="pone.0135653.ref007" ref-type="bibr">7</xref>]. Further, clinical staging and/or CD4 counts are the primary eligibility criteria for ART initiation among non-pregnant adults in most of sub-Saharan Africa [<xref rid="pone.0135653.ref008" ref-type="bibr">8</xref>].</p><p>Once initiated, monitoring a patient’s response to therapy allows providers to detect potential adherence problems and treatment failure. It is critical to promptly identify treatment failure, as switching to a second-line regimen for these patients is essential for reducing mortality risk and preventing the spread of drug resistance [<xref rid="pone.0135653.ref009" ref-type="bibr">9</xref>–<xref rid="pone.0135653.ref011" ref-type="bibr">11</xref>]. Until recently, guidelines relied heavily on clinical and immunological monitoring, a combination that has been shown to be superior than clinical monitoring alone [<xref rid="pone.0135653.ref012" ref-type="bibr">12</xref>–<xref rid="pone.0135653.ref016" ref-type="bibr">16</xref>]. However, the World Health Organization (WHO), Kenya, and Uganda have recently recommended viral load monitoring, given its better sensitivity, specificity, and timeliness in detecting treatment failure [<xref rid="pone.0135653.ref008" ref-type="bibr">8</xref>,<xref rid="pone.0135653.ref017" ref-type="bibr">17</xref>–<xref rid="pone.0135653.ref020" ref-type="bibr">20</xref>]. Nonetheless, clinical and immunological measures are still recommended in the absence of viral load testing.</p><p>Despite the need for risk stratification and ongoing monitoring while on ART, relatively little is known about how these guidelines are followed in practice. Laboratory testing in sub-Saharan Africa has largely been hindered by inadequate infrastructure, equipment, and reagent shortages, and low availability of skilled laboratory professionals [<xref rid="pone.0135653.ref021" ref-type="bibr">21</xref>,<xref rid="pone.0135653.ref022" ref-type="bibr">22</xref>]. Additionally, monitoring requires regular care-seeking by patients with HIV, actions that can be limited by financial, geographical, and psychosocial factors [<xref rid="pone.0135653.ref023" ref-type="bibr">23</xref>–<xref rid="pone.0135653.ref026" ref-type="bibr">26</xref>].</p><p>As Kenya and Uganda pursue new monitoring guidelines that include regular viral load testing, it is important to understand how well prior guidelines were followed and to consider why they may have fallen short in practice. In this paper, we assess recent CD4 and weight monitoring practices and examine facility- and patient-level characteristics associated with meeting national monitoring guidelines.</p></sec><sec sec-type="materials|methods" id="sec006"><title>Methods</title><sec id="sec007"><title>Study sample</title><p>This study used data from a subset of facilities from a larger, multi-country facility-based project that took place in Kenya and Uganda (Access, Bottlenecks, Costs, and Equity [ABCE] project) [<xref rid="pone.0135653.ref027" ref-type="bibr">27</xref>]. Nationally representative facility samples were constructed for Kenya and Uganda using a two-step, stratified random sampling process detailed elsewhere [<xref rid="pone.0135653.ref028" ref-type="bibr">28</xref>,<xref rid="pone.0135653.ref029" ref-type="bibr">29</xref>]. In sum, subnational units (districts or counties) were stratified by country-specific characteristics (e.g., socioeconomic features, access to health care, etc.), and districts or counties were randomly selected from each stratum; urban epicenters (Kampala for Uganda; Nairobi and Mombasa for Kenya) were purposely included in addition to randomly selected districts or counties. Within each randomly selected district or county, facilities were stratified by their government-determined level of complexity and then randomly selected until a pre-determined quota was met for each facility type.</p><p>Health facilities that declined study participation or where access to the facility was limited due to safety, travel distance, or time constraints were replaced with other similar facilities within the same district by the country team when a suitable replacement facility was identified. Data collection took place from April to November 2012 in both countries.</p><p>At all selected facilities that provided ART services, we conducted a retrospective chart review of adult patients (18 years and older) who initiated ART 6 to 60 months prior to the survey date. In addition to patients actively in care, we sought to include the charts of all transferred, defaulted, and deceased patients. We received electronic medical records for all patients meeting inclusion criteria at four facilities in Kenya. At the remaining facilities in both countries, the facility administrator reported the total number of eligible charts, and we sampled up to 250 charts using an equal-probability procedure. At facilities with less than 250 charts, we included all charts in our study. Two facilities in Uganda provided electronic records for the sampled patients, while all other information was extracted from paper charts.</p></sec><sec id="sec008"><title>Data collection</title><p>Trained research associates interviewed facility administrators to collect information about facility management, resources, practices, and patient volumes. They then extracted information related to patient demographics, initiation characteristics, treatment regimen, outcomes, full visit history, and all test results (CD4 count, weight, and viral load) from the sampled ART charts. Research associates also searched each patient’s folder for documentation of weight, CD4 count, or viral load tests that were not recorded in the standard chart and extracted the relevant information.</p><p>We applied sample weights based on the reported number of adult patients in each facility’s ART program, such that our reported values are representative of all patients at the sampled facilities. Analyzes related to initiation were weighted based on the annual number of new initiates, while analyzes for ongoing monitoring used the annual number of enrolled patients. We linearly extrapolated patient numbers for the 9% of facility-years where these data were not reported. We also extrapolated patient numbers for all facilities in 2012 as the facility survey only collected information through 2011.</p></sec><sec id="sec009"><title>Describing monitoring practices in relation to minimum guidelines</title><p>We examined whether each patient met existing national guidelines for minimum monitoring at baseline and once they were established on therapy. These guidelines were consistent across countries and years for our study period (2007–2012) [<xref rid="pone.0135653.ref015" ref-type="bibr">15</xref>,<xref rid="pone.0135653.ref016" ref-type="bibr">16</xref>,<xref rid="pone.0135653.ref030" ref-type="bibr">30</xref>].</p><p>At ART initiation, both countries called for a measure of weight, CD4 cell count, and WHO stage. We determined whether each measurement was recorded at some time between three months prior to and one month following initiation to account for lags between eligibility testing and actual ART initiation; this approach also accounted for the potential that tests performed at ART initiation could be reviewed and recorded at a subsequent visit.</p><p>After the initiation period (typically defined as the first six months) monitoring guidelines called for a weight measurement every three months and CD4 measurement every six months, at minimum [<xref rid="pone.0135653.ref015" ref-type="bibr">15</xref>,<xref rid="pone.0135653.ref016" ref-type="bibr">16</xref>,<xref rid="pone.0135653.ref030" ref-type="bibr">30</xref>]. For each calendar month from 2009 to 2012, we restricted our denominator to patients who were (a) <italic>established</italic>, meaning they initiated ART at least six months before the given month, and (b) <italic>retained</italic>, meaning they were alive and on treatment during the given month, and not transferred, dead, or defaulted (i.e., no visit for six months and never returning). A patient met CD4 testing guidelines for a given month if a CD4 test was recorded at any point in the prior six months. Likewise, they met weight guidelines if a weight measure was recorded in the prior three months. If a patient did not have a test recorded during a specified time period, we determined whether the patient visited the facility during that period without receiving a test. Results for a given facility type-country-month are only shown if at least 50 charts were included in the calculation.</p></sec><sec id="sec010"><title>Determinants of baseline and routine monitoring</title><p>We used a series of mixed-effects logistic regressions to assess factors associated with meeting minimum guidelines. For each country, models were run at the patient level using facility random effects.</p><p>Two separate analyzes were performed. The first examined determinants of having a baseline CD4 test and weight measurement, run as separate models, among patients who initiated therapy between 2011 and 2012. This group, the mostly recently initiating patients in our sample, was selected because determinants of testing may have changed over time and more recently measured factors are most relevant to policy and practice.</p><p>The second set of analyzes examined the extent to which established patients were meeting monitoring guidelines at the time of the survey. Patients were included in this analysis if (1) they were alive and in care at the time of the survey rather than transferred, dead, or defaulted; and (2) they had initiated at least 12 months prior to the survey, to ensure results were not influenced by elevated testing in the period immediately following initiation. Separate models examined two binary dependent variables: (1) CD4 test recorded during the six months prior to record extraction; and (2) weight recorded in the three months prior to record extraction.</p><p>Independent variables were selected <italic>a priori</italic> based on potential theoretical relationships with monitoring practices. All models included patient-level characteristics (age and sex), as well facility-level indicators including facility type (hospital or health center); ownership (public or private); age of ART program; on-site CD4 analysis capacity; receipt of HIV-specific staff training during the past year; and whether nurses led patient treatment.</p><p>Models assessing baseline CD4 and weight measurements included an indicator of baseline disease severity as categorized by four WHO stages.</p><p>Models examining recent measurements for established patients included duration on ART and binary indicators capturing whether the patient showed signs of WHO-defined immunological or clinical failure in the six months preceding the testing window of interest. Per WHO definitions [<xref rid="pone.0135653.ref008" ref-type="bibr">8</xref>], potential immunological failure was defined as having a CD4 count lower than 100 or experiencing a CD4 count falling to baselines levels. Potential clinical failure was defined as experiencing weight loss exceeding 10% from the patient’s highest weight. Other clinical criteria could not be included due to inconsistent recordkeeping.</p><p>All analyzes were conducted in Stata 13.1 (Stata Corp., College Station, Texas, USA).</p></sec><sec id="sec011"><title>Ethical considerations</title><p>Ethical approval for this study was obtained from the University of Washington Human Subjects Division and local institutional review boards in Kenya (Kenya Medical Research Institute Ethics Review Committee) and Uganda (Makerere University School of Medicine Research Ethics Committee). Patient consent for review of clinical charts was not obtained, as all information extracted from clinical charts was anonymized and de-identified prior to analysis.</p></sec></sec><sec sec-type="results" id="sec012"><title>Results</title><p>Data from 23,618 patient charts were extracted from 97 facilities offering ART (15,671 charts from 51 facilities in Kenya and 7,947 charts from 46 facilities in Uganda). <xref rid="pone.0135653.t001" ref-type="table">Table 1</xref> provides an overview of sampled facility and patient characteristics.</p><table-wrap id="pone.0135653.t001" orientation="portrait" position="float"><object-id pub-id-type="doi">10.1371/journal.pone.0135653.t001</object-id><label>Table 1</label><caption><title>Characteristics of sampled facilities and patients at initiation.</title></caption><alternatives><graphic id="pone.0135653.t001g" xlink:href="pone.0135653.t001"></graphic><table frame="hsides" rules="groups"><colgroup span="1"><col align="left" valign="middle" span="1"></col><col align="left" valign="middle" span="1"></col><col align="left" valign="middle" span="1"></col><col align="left" valign="middle" span="1"></col></colgroup><thead><tr><th align="left" rowspan="1" colspan="1">Indicator</th><th align="center" rowspan="1" colspan="1">Kenya</th><th align="center" rowspan="1" colspan="1">Uganda</th><th align="center" rowspan="1" colspan="1">Total</th></tr></thead><tbody><tr><td align="left" rowspan="1" colspan="1"><bold>Facility characteristics</bold></td><td align="center" rowspan="1" colspan="1"></td><td align="center" rowspan="1" colspan="1"></td><td align="center" rowspan="1" colspan="1"></td></tr><tr><td align="left" rowspan="1" colspan="1"> Total number of facilities</td><td align="center" rowspan="1" colspan="1">51</td><td align="center" rowspan="1" colspan="1">46</td><td align="center" rowspan="1" colspan="1">97</td></tr><tr><td align="left" rowspan="1" colspan="1"> Median program start year</td><td align="center" rowspan="1" colspan="1">2006</td><td align="center" rowspan="1" colspan="1">2005</td><td align="center" rowspan="1" colspan="1">2005</td></tr><tr><td align="left" rowspan="1" colspan="1"> Level of complexity</td><td align="left" rowspan="1" colspan="1"></td><td align="center" rowspan="1" colspan="1"></td><td align="center" rowspan="1" colspan="1"></td></tr><tr><td align="left" rowspan="1" colspan="1"> Hospital</td><td align="center" rowspan="1" colspan="1">53%</td><td align="center" rowspan="1" colspan="1">59%</td><td align="center" rowspan="1" colspan="1">56%</td></tr><tr><td align="left" rowspan="1" colspan="1"> Health center</td><td align="center" rowspan="1" colspan="1">47%</td><td align="center" rowspan="1" colspan="1">41%</td><td align="center" rowspan="1" colspan="1">44%</td></tr><tr><td align="left" rowspan="1" colspan="1"> Facility ownership</td><td align="left" rowspan="1" colspan="1"></td><td align="center" rowspan="1" colspan="1"></td><td align="center" rowspan="1" colspan="1"></td></tr><tr><td align="left" rowspan="1" colspan="1"> Government or NGO</td><td align="center" rowspan="1" colspan="1">90%</td><td align="center" rowspan="1" colspan="1">67%</td><td align="center" rowspan="1" colspan="1">79%</td></tr><tr><td align="left" rowspan="1" colspan="1"> Private</td><td align="center" rowspan="1" colspan="1">10%</td><td align="center" rowspan="1" colspan="1">33%</td><td align="center" rowspan="1" colspan="1">21%</td></tr><tr><td align="left" rowspan="1" colspan="1"> Location</td><td align="left" rowspan="1" colspan="1"></td><td align="center" rowspan="1" colspan="1"></td><td align="center" rowspan="1" colspan="1"></td></tr><tr><td align="left" rowspan="1" colspan="1"> Urban or peri-urban</td><td align="center" rowspan="1" colspan="1">71%</td><td align="center" rowspan="1" colspan="1">63%</td><td align="center" rowspan="1" colspan="1">67%</td></tr><tr><td align="left" rowspan="1" colspan="1"> Rural</td><td align="center" rowspan="1" colspan="1">29%</td><td align="center" rowspan="1" colspan="1">37%</td><td align="center" rowspan="1" colspan="1">33%</td></tr><tr><td align="left" rowspan="1" colspan="1"> Monitoring capacity</td><td align="left" rowspan="1" colspan="1"></td><td align="center" rowspan="1" colspan="1"></td><td align="center" rowspan="1" colspan="1"></td></tr><tr><td align="left" rowspan="1" colspan="1"> Functional adult scale</td><td align="center" rowspan="1" colspan="1">100%</td><td align="center" rowspan="1" colspan="1">98%</td><td align="center" rowspan="1" colspan="1">99%</td></tr><tr><td align="left" rowspan="1" colspan="1"> Functional measuring tape</td><td align="center" rowspan="1" colspan="1">94%</td><td align="center" rowspan="1" colspan="1">89%</td><td align="center" rowspan="1" colspan="1">92%</td></tr><tr><td align="left" rowspan="1" colspan="1"> On-site CD4 analysis</td><td align="center" rowspan="1" colspan="1">29%</td><td align="center" rowspan="1" colspan="1">80%</td><td align="center" rowspan="1" colspan="1">54%</td></tr><tr><td align="left" rowspan="1" colspan="1"> On-site viral load analysis</td><td align="center" rowspan="1" colspan="1">4%</td><td align="center" rowspan="1" colspan="1">2%</td><td align="center" rowspan="1" colspan="1">3%</td></tr><tr><td align="left" rowspan="1" colspan="1"> Guidelines and training</td><td align="left" rowspan="1" colspan="1"></td><td align="center" rowspan="1" colspan="1"></td><td align="center" rowspan="1" colspan="1"></td></tr><tr><td align="left" rowspan="1" colspan="1"> Has HIV guidelines</td><td align="center" rowspan="1" colspan="1">96%</td><td align="center" rowspan="1" colspan="1">98%</td><td align="center" rowspan="1" colspan="1">97%</td></tr><tr><td align="left" rowspan="1" colspan="1"> Staff received HIV training in last year</td><td align="center" rowspan="1" colspan="1">16%</td><td align="center" rowspan="1" colspan="1">37%</td><td align="center" rowspan="1" colspan="1">26%</td></tr><tr><td align="left" rowspan="1" colspan="1"> Has nurse-led HIV treatment</td><td align="center" rowspan="1" colspan="1">41%</td><td align="center" rowspan="1" colspan="1">28%</td><td align="center" rowspan="1" colspan="1">35%</td></tr><tr><td align="left" rowspan="1" colspan="1"><bold>Patient characteristics</bold></td><td align="center" rowspan="1" colspan="1"></td><td align="center" rowspan="1" colspan="1"></td><td align="center" rowspan="1" colspan="1"></td></tr><tr><td align="left" rowspan="1" colspan="1"> Total number of patients</td><td align="center" rowspan="1" colspan="1">15,671</td><td align="center" rowspan="1" colspan="1">7,947</td><td align="center" rowspan="1" colspan="1">23,618</td></tr><tr><td align="left" rowspan="1" colspan="1"> Percent female</td><td align="center" rowspan="1" colspan="1">66%</td><td align="center" rowspan="1" colspan="1">61%</td><td align="center" rowspan="1" colspan="1">64%</td></tr><tr><td align="left" rowspan="1" colspan="1"> Median age (years)</td><td align="center" rowspan="1" colspan="1">37</td><td align="center" rowspan="1" colspan="1">35</td><td align="center" rowspan="1" colspan="1">36</td></tr><tr><td align="left" rowspan="1" colspan="1"> 18–29</td><td align="center" rowspan="1" colspan="1">21%</td><td align="center" rowspan="1" colspan="1">29%</td><td align="center" rowspan="1" colspan="1">24%</td></tr><tr><td align="left" rowspan="1" colspan="1"> 30–39</td><td align="center" rowspan="1" colspan="1">38%</td><td align="center" rowspan="1" colspan="1">39%</td><td align="center" rowspan="1" colspan="1">39%</td></tr><tr><td align="left" rowspan="1" colspan="1"> 40–49</td><td align="center" rowspan="1" colspan="1">26%</td><td align="center" rowspan="1" colspan="1">22%</td><td align="center" rowspan="1" colspan="1">24%</td></tr><tr><td align="left" rowspan="1" colspan="1"> 50+</td><td align="center" rowspan="1" colspan="1">15%</td><td align="center" rowspan="1" colspan="1">10%</td><td align="center" rowspan="1" colspan="1">13%</td></tr><tr><td align="left" rowspan="1" colspan="1"> Year of initiation</td><td align="center" rowspan="1" colspan="1"></td><td align="center" rowspan="1" colspan="1"></td><td align="center" rowspan="1" colspan="1"></td></tr><tr><td align="left" rowspan="1" colspan="1"> 2007</td><td align="center" rowspan="1" colspan="1">6%</td><td align="center" rowspan="1" colspan="1">5%</td><td align="center" rowspan="1" colspan="1">6%</td></tr><tr><td align="left" rowspan="1" colspan="1"> 2008</td><td align="center" rowspan="1" colspan="1">18%</td><td align="center" rowspan="1" colspan="1">11%</td><td align="center" rowspan="1" colspan="1">16%</td></tr><tr><td align="left" rowspan="1" colspan="1"> 2009</td><td align="center" rowspan="1" colspan="1">20%</td><td align="center" rowspan="1" colspan="1">15%</td><td align="center" rowspan="1" colspan="1">18%</td></tr><tr><td align="left" rowspan="1" colspan="1"> 2010</td><td align="center" rowspan="1" colspan="1">24%</td><td align="center" rowspan="1" colspan="1">22%</td><td align="center" rowspan="1" colspan="1">23%</td></tr><tr><td align="left" rowspan="1" colspan="1"> 2011</td><td align="center" rowspan="1" colspan="1">26%</td><td align="center" rowspan="1" colspan="1">31%</td><td align="center" rowspan="1" colspan="1">28%</td></tr><tr><td align="left" rowspan="1" colspan="1"> 2012</td><td align="center" rowspan="1" colspan="1">5%</td><td align="center" rowspan="1" colspan="1">16%</td><td align="center" rowspan="1" colspan="1">9%</td></tr><tr><td align="left" rowspan="1" colspan="1"> WHO Stage</td><td align="center" rowspan="1" colspan="1"></td><td align="center" rowspan="1" colspan="1"></td><td align="center" rowspan="1" colspan="1"></td></tr><tr><td align="left" rowspan="1" colspan="1"> Stage 1</td><td align="center" rowspan="1" colspan="1">23%</td><td align="center" rowspan="1" colspan="1">22%</td><td align="center" rowspan="1" colspan="1">23%</td></tr><tr><td align="left" rowspan="1" colspan="1"> Stage 2</td><td align="center" rowspan="1" colspan="1">36%</td><td align="center" rowspan="1" colspan="1">38%</td><td align="center" rowspan="1" colspan="1">36%</td></tr><tr><td align="left" rowspan="1" colspan="1"> Stage 3</td><td align="center" rowspan="1" colspan="1">37%</td><td align="center" rowspan="1" colspan="1">33%</td><td align="center" rowspan="1" colspan="1">36%</td></tr><tr><td align="left" rowspan="1" colspan="1"> Stage 4</td><td align="center" rowspan="1" colspan="1">4%</td><td align="center" rowspan="1" colspan="1">7%</td><td align="center" rowspan="1" colspan="1">5%</td></tr><tr><td align="left" rowspan="1" colspan="1"> Median baseline CD4 count</td><td align="center" rowspan="1" colspan="1">172</td><td align="center" rowspan="1" colspan="1">180</td><td align="center" rowspan="1" colspan="1">175</td></tr></tbody></table></alternatives></table-wrap><sec id="sec013"><title>Facility characteristics</title><p>The sampled facilities were largely publicly-owned (79%) and urban (67%). Most facilities had HIV guidelines available (97%), but only 26% had staff with HIV-specific training during the previous year. Ugandan facilities in our sample (80%) were more likely to have on-site CD4 analysis capacity than those in Kenya (29%). Most facilities without CD4 analysis capacity took samples on-site and shipped them elsewhere for analysis; only 3% did not offer any CD4 testing. One hospital each in Uganda and Kenya reported capacity to run viral load assays. Functional adult weight measurement scales (99%) and measuring tapes (92%) were nearly universally available.</p></sec><sec id="sec014"><title>Patient characteristics</title><p>The majority of patients were female (64%) with a median age of 36 at initiation. When recorded, the median baseline CD4 count was 175 and 41% of patients were classified as WHO stage 3 or 4. Over half of patients initiated in 2010 or 2011.</p></sec><sec id="sec015"><title>Baseline monitoring</title><p>Between 2007 and 2012, at least 88% of patients had a WHO stage recorded at initiation across country-years (<xref rid="pone.0135653.g001" ref-type="fig">Fig 1</xref>). Weight was recorded for over 94% of patients from all initiating cohorts in Uganda, while the percentage of Kenyan patients with a baseline weight measurement increased from 69% in 2007 to 90% in 2012. Baseline CD4 testing rates also increased between 2007 and 2012, rising from 69% to 80% in Uganda and from 69% to 81% in Kenya. Less than 1% of patients received a baseline viral load measure.</p><fig id="pone.0135653.g001" orientation="portrait" position="float"><object-id pub-id-type="doi">10.1371/journal.pone.0135653.g001</object-id><label>Fig 1</label><caption><title>Percent of patients receiving baseline measurements by initiation year, 2007–2012.</title></caption><graphic xlink:href="pone.0135653.g001"></graphic></fig></sec><sec id="sec016"><title>Monitoring of established patients</title><p>In 2012, 83% and 86% of established patients met the recommended quarterly weight monitoring in Kenya and Uganda, respectively (<xref rid="pone.0135653.g002" ref-type="fig">Fig 2</xref>). This was an improvement from 2009, when 76% of Kenyan and 72% of Ugandan patients met weight-monitoring guidelines. Trends in weight monitoring were either stable or showed improvement across facility types in both countries. In particular, 85% of patients at rural health centers in Uganda met weight monitoring guidelines in 2012, compared to 49% in 2009. By 2012, all types of facilities in both countries had at least 80% of established ART patients receiving the recommended weight measures. These gains occurred in parallel with increases in ART visit frequency, with the proportion of patients with a facility visit every three months increasing from 81% in 2009 to 90% in 2012.</p><fig id="pone.0135653.g002" orientation="portrait" position="float"><object-id pub-id-type="doi">10.1371/journal.pone.0135653.g002</object-id><label>Fig 2</label><caption><title>Percent of established patients meeting weight monitoring guidelines, 2009–2012.</title></caption><graphic xlink:href="pone.0135653.g002"></graphic></fig><p>In 2012, 49% and 38% of established ART patients met the guideline for semi-annual CD4 tests in Kenya and Uganda, respectively (<xref rid="pone.0135653.g003" ref-type="fig">Fig 3</xref>). This finding reflects minimal changes in CD4 testing rates since 2009 (43% in Kenya and 35% in Uganda). Rural health centers in Uganda had the lowest proportion of established patients who received semi-annual CD4 tests over time (22% in 2012). Kenyan hospitals showed the greatest improvement in CD4 testing rates, rising from 42% in 2009 to 49% in 2012. In contrast, urban health centers in Uganda experienced declines in CD4 testing during this time, falling from 50% to 35%. Notably, 97% of established ART patients had a clinical visit every six months in 2012, yet fewer than 50% of patients received a CD4 test every six months.</p><fig id="pone.0135653.g003" orientation="portrait" position="float"><object-id pub-id-type="doi">10.1371/journal.pone.0135653.g003</object-id><label>Fig 3</label><caption><title>Percent of established patients meeting CD4 monitoring guidelines, 2009–2012.</title></caption><graphic xlink:href="pone.0135653.g003"></graphic></fig></sec><sec id="sec017"><title>Predictors of baseline testing</title><p>Controlling for patient and facility characteristics, a more advanced baseline WHO stage was associated with lower odds of baseline weight testing in Kenya (odds ratio [OR] = 0.49, 95% confidence interval [CI] = 0.30–0.80 for WHO stage 4 with respect to WHO stage 1) and lower odds of baseline CD4 testing in both countries (Kenya: OR = 0.56, 95% CI = 0.35–0.91; Uganda: OR = 0.53, 95% CI = 0.34–0.82) (<xref rid="pone.0135653.t002" ref-type="table">Table 2</xref>).</p><table-wrap id="pone.0135653.t002" orientation="portrait" position="float"><object-id pub-id-type="doi">10.1371/journal.pone.0135653.t002</object-id><label>Table 2</label><caption><title>Predictors of receiving baseline measurements: mixed effects logistic regression results for patients initiating in 2011–12.</title></caption><alternatives><graphic id="pone.0135653.t002g" xlink:href="pone.0135653.t002"></graphic><table frame="hsides" rules="groups"><colgroup span="1"><col align="left" valign="middle" span="1"></col><col align="left" valign="middle" span="1"></col><col align="left" valign="middle" span="1"></col><col align="left" valign="middle" span="1"></col><col align="left" valign="middle" span="1"></col></colgroup><thead><tr><th align="left" rowspan="1" colspan="1">Weight at baseline</th><th colspan="2" align="center" rowspan="1">Kenya</th><th colspan="2" align="center" rowspan="1">Uganda</th></tr></thead><tbody><tr><td align="left" rowspan="1" colspan="1"> <italic>n</italic></td><td colspan="2" align="center" rowspan="1">4,806</td><td colspan="2" align="center" rowspan="1">3,002</td></tr><tr><td align="left" rowspan="1" colspan="1"><bold>Patient characteristics</bold></td><td align="left" rowspan="1" colspan="1"></td><td align="right" rowspan="1" colspan="1"></td><td align="left" rowspan="1" colspan="1"></td><td align="right" rowspan="1" colspan="1"></td></tr><tr><td align="left" rowspan="1" colspan="1"> Female</td><td align="right" rowspan="1" colspan="1">1.08</td><td align="left" rowspan="1" colspan="1">[0.91,1.28]</td><td align="right" rowspan="1" colspan="1">1.57<xref rid="t002fn001" ref-type="table-fn">*</xref></td><td align="left" rowspan="1" colspan="1">[1.03,2.39]</td></tr><tr><td align="left" rowspan="1" colspan="1"> Age at initiation</td><td align="right" rowspan="1" colspan="1">1.00</td><td align="left" rowspan="1" colspan="1">[1.00,1.01]</td><td align="right" rowspan="1" colspan="1">1.01</td><td align="left" rowspan="1" colspan="1">[0.99,1.03]</td></tr><tr><td align="left" rowspan="1" colspan="1"> Initiation year</td><td align="right" rowspan="1" colspan="1">1.59<xref rid="t002fn002" ref-type="table-fn">**</xref></td><td align="left" rowspan="1" colspan="1">[1.17,2.16]</td><td align="right" rowspan="1" colspan="1">0.51<xref rid="t002fn001" ref-type="table-fn">*</xref></td><td align="left" rowspan="1" colspan="1">[0.30,0.88]</td></tr><tr><td align="left" rowspan="1" colspan="1"><bold>Facility characteristics</bold></td><td align="left" rowspan="1" colspan="1"></td><td align="right" rowspan="1" colspan="1"></td><td align="left" rowspan="1" colspan="1"></td><td align="right" rowspan="1" colspan="1"></td></tr><tr><td align="left" rowspan="1" colspan="1"> Facility type (ref: Hospital)</td><td align="left" rowspan="1" colspan="1"></td><td align="right" rowspan="1" colspan="1"></td><td align="left" rowspan="1" colspan="1"></td><td align="right" rowspan="1" colspan="1"></td></tr><tr><td align="left" rowspan="1" colspan="1"> Urban health center</td><td align="right" rowspan="1" colspan="1">1.86</td><td align="left" rowspan="1" colspan="1">[0.73,4.71]</td><td align="right" rowspan="1" colspan="1">1.82</td><td align="left" rowspan="1" colspan="1">[0.50,6.71]</td></tr><tr><td align="left" rowspan="1" colspan="1"> Rural health center</td><td align="right" rowspan="1" colspan="1">0.73</td><td align="left" rowspan="1" colspan="1">[0.33,1.61]</td><td align="right" rowspan="1" colspan="1">0.85</td><td align="left" rowspan="1" colspan="1">[0.25,2.98]</td></tr><tr><td align="left" rowspan="1" colspan="1"> Government or NGO-owned</td><td align="right" rowspan="1" colspan="1">1.21</td><td align="left" rowspan="1" colspan="1">[0.36,4.08]</td><td align="right" rowspan="1" colspan="1">0.43</td><td align="left" rowspan="1" colspan="1">[0.16,1.16]</td></tr><tr><td align="left" rowspan="1" colspan="1"> Staff HIV training in last year</td><td align="right" rowspan="1" colspan="1">1.12</td><td align="left" rowspan="1" colspan="1">[0.49,2.56]</td><td align="right" rowspan="1" colspan="1">0.83</td><td align="left" rowspan="1" colspan="1">[0.33,2.05]</td></tr><tr><td align="left" rowspan="1" colspan="1"> Has nurse-led HIV treatment</td><td align="right" rowspan="1" colspan="1">1.04</td><td align="left" rowspan="1" colspan="1">[0.56,1.92]</td><td align="right" rowspan="1" colspan="1">2.06</td><td align="left" rowspan="1" colspan="1">[0.70,6.00]</td></tr><tr><td align="left" rowspan="1" colspan="1"> Age of ART program</td><td align="right" rowspan="1" colspan="1">1.04</td><td align="left" rowspan="1" colspan="1">[0.87,1.26]</td><td align="right" rowspan="1" colspan="1">1.01</td><td align="left" rowspan="1" colspan="1">[0.80,1.28]</td></tr><tr><td align="left" rowspan="1" colspan="1"> Has on-site CD4 analysis</td><td align="right" rowspan="1" colspan="1">1.31</td><td align="left" rowspan="1" colspan="1">[0.59,2.86]</td><td align="right" rowspan="1" colspan="1">1.36</td><td align="left" rowspan="1" colspan="1">[0.41,4.48]</td></tr><tr><td align="left" rowspan="1" colspan="1"><bold>Clinical characteristics</bold></td><td align="left" rowspan="1" colspan="1"></td><td align="right" rowspan="1" colspan="1"></td><td align="left" rowspan="1" colspan="1"></td><td align="right" rowspan="1" colspan="1"></td></tr><tr><td align="left" rowspan="1" colspan="1"> WHO stage (ref: 1)</td><td align="left" rowspan="1" colspan="1"></td><td align="right" rowspan="1" colspan="1"></td><td align="left" rowspan="1" colspan="1"></td><td align="right" rowspan="1" colspan="1"></td></tr><tr><td align="left" rowspan="1" colspan="1"> Stage 2</td><td align="right" rowspan="1" colspan="1">0.79<xref rid="t002fn001" ref-type="table-fn">*</xref></td><td align="left" rowspan="1" colspan="1">[0.62,0.99]</td><td align="right" rowspan="1" colspan="1">0.88</td><td align="left" rowspan="1" colspan="1">[0.47,1.65]</td></tr><tr><td align="left" rowspan="1" colspan="1"> Stage 3</td><td align="right" rowspan="1" colspan="1">0.51<xref rid="t002fn003" ref-type="table-fn">***</xref></td><td align="left" rowspan="1" colspan="1">[0.41,0.64]</td><td align="right" rowspan="1" colspan="1">0.95</td><td align="left" rowspan="1" colspan="1">[0.48,1.87]</td></tr><tr><td align="left" rowspan="1" colspan="1"> Stage 4</td><td align="right" rowspan="1" colspan="1">0.49<xref rid="t002fn002" ref-type="table-fn">**</xref></td><td align="left" rowspan="1" colspan="1">[0.30,0.80]</td><td align="right" rowspan="1" colspan="1">0.59</td><td align="left" rowspan="1" colspan="1">[0.22,1.56]</td></tr><tr><td align="left" rowspan="1" colspan="1"> Not recorded</td><td align="right" rowspan="1" colspan="1">0.63<xref rid="t002fn001" ref-type="table-fn">*</xref></td><td align="left" rowspan="1" colspan="1">[0.44,0.90]</td><td align="right" rowspan="1" colspan="1">0.09<xref rid="t002fn003" ref-type="table-fn">***</xref></td><td align="left" rowspan="1" colspan="1">[0.05,0.17]</td></tr><tr><td align="left" rowspan="1" colspan="1"><bold>CD4 at baseline</bold></td><td colspan="2" align="center" rowspan="1"></td><td colspan="2" align="center" rowspan="1"></td></tr><tr><td align="left" rowspan="1" colspan="1"> <italic>n</italic></td><td colspan="2" align="center" rowspan="1">4,806</td><td colspan="2" align="center" rowspan="1">3,002</td></tr><tr><td align="left" rowspan="1" colspan="1"><bold>Patient characteristics</bold></td><td align="left" rowspan="1" colspan="1"></td><td align="right" rowspan="1" colspan="1"></td><td align="left" rowspan="1" colspan="1"></td><td align="right" rowspan="1" colspan="1"></td></tr><tr><td align="left" rowspan="1" colspan="1"> Female</td><td align="right" rowspan="1" colspan="1">0.98</td><td align="left" rowspan="1" colspan="1">[0.83,1.15]</td><td align="right" rowspan="1" colspan="1">1.14</td><td align="left" rowspan="1" colspan="1">[0.93,1.40]</td></tr><tr><td align="left" rowspan="1" colspan="1"> Age at initiation</td><td align="right" rowspan="1" colspan="1">1.01<xref rid="t002fn002" ref-type="table-fn">**</xref></td><td align="left" rowspan="1" colspan="1">[1.00,1.02]</td><td align="right" rowspan="1" colspan="1">1.01</td><td align="left" rowspan="1" colspan="1">[1.00,1.02]</td></tr><tr><td align="left" rowspan="1" colspan="1"> Initiation year</td><td align="right" rowspan="1" colspan="1">1.45<xref rid="t002fn001" ref-type="table-fn">*</xref></td><td align="left" rowspan="1" colspan="1">[1.07,1.97]</td><td align="right" rowspan="1" colspan="1">1.28</td><td align="left" rowspan="1" colspan="1">[0.96,1.71]</td></tr><tr><td align="left" rowspan="1" colspan="1"><bold>Facility characteristics</bold></td><td align="left" rowspan="1" colspan="1"></td><td align="right" rowspan="1" colspan="1"></td><td align="left" rowspan="1" colspan="1"></td><td align="right" rowspan="1" colspan="1"></td></tr><tr><td align="left" rowspan="1" colspan="1"> Facility type (ref: Hospital)</td><td align="left" rowspan="1" colspan="1"></td><td align="right" rowspan="1" colspan="1"></td><td align="left" rowspan="1" colspan="1"></td><td align="right" rowspan="1" colspan="1"></td></tr><tr><td align="left" rowspan="1" colspan="1"> Urban health center</td><td align="right" rowspan="1" colspan="1">4.50<xref rid="t002fn002" ref-type="table-fn">**</xref></td><td align="left" rowspan="1" colspan="1">[1.48,13.68]</td><td align="right" rowspan="1" colspan="1">0.57</td><td align="left" rowspan="1" colspan="1">[0.27,1.20]</td></tr><tr><td align="left" rowspan="1" colspan="1"> Rural health center</td><td align="right" rowspan="1" colspan="1">0.42</td><td align="left" rowspan="1" colspan="1">[0.16,1.08]</td><td align="right" rowspan="1" colspan="1">0.22<xref rid="t002fn003" ref-type="table-fn">***</xref></td><td align="left" rowspan="1" colspan="1">[0.10,0.46]</td></tr><tr><td align="left" rowspan="1" colspan="1"> Government or NGO-owned</td><td align="right" rowspan="1" colspan="1">1.93</td><td align="left" rowspan="1" colspan="1">[0.44,8.47]</td><td align="right" rowspan="1" colspan="1">0.77</td><td align="left" rowspan="1" colspan="1">[0.43,1.36]</td></tr><tr><td align="left" rowspan="1" colspan="1"> Staff HIV training in last year</td><td align="right" rowspan="1" colspan="1">4.10<xref rid="t002fn002" ref-type="table-fn">**</xref></td><td align="left" rowspan="1" colspan="1">[1.50,11.26]</td><td align="right" rowspan="1" colspan="1">0.55<xref rid="t002fn001" ref-type="table-fn">*</xref></td><td align="left" rowspan="1" colspan="1">[0.32,0.93]</td></tr><tr><td align="left" rowspan="1" colspan="1"> Has nurse-led HIV treatment</td><td align="right" rowspan="1" colspan="1">0.78</td><td align="left" rowspan="1" colspan="1">[0.37,1.64]</td><td align="right" rowspan="1" colspan="1">2.47<xref rid="t002fn002" ref-type="table-fn">**</xref></td><td align="left" rowspan="1" colspan="1">[1.34,4.54]</td></tr><tr><td align="left" rowspan="1" colspan="1"> Age of ART program</td><td align="right" rowspan="1" colspan="1">0.89</td><td align="left" rowspan="1" colspan="1">[0.72,1.12]</td><td align="right" rowspan="1" colspan="1">0.92</td><td align="left" rowspan="1" colspan="1">[0.79,1.07]</td></tr><tr><td align="left" rowspan="1" colspan="1"> Has on-site CD4 analysis</td><td align="right" rowspan="1" colspan="1">3.28<xref rid="t002fn001" ref-type="table-fn">*</xref></td><td align="left" rowspan="1" colspan="1">[1.27,8.50]</td><td align="right" rowspan="1" colspan="1">2.63<xref rid="t002fn002" ref-type="table-fn">**</xref></td><td align="left" rowspan="1" colspan="1">[1.31,5.28]</td></tr><tr><td align="left" rowspan="1" colspan="1"><bold>Clinical characteristics</bold></td><td align="left" rowspan="1" colspan="1"></td><td align="right" rowspan="1" colspan="1"></td><td align="left" rowspan="1" colspan="1"></td><td align="right" rowspan="1" colspan="1"></td></tr><tr><td align="left" rowspan="1" colspan="1"> WHO stage (ref: 1)</td><td align="left" rowspan="1" colspan="1"></td><td align="right" rowspan="1" colspan="1"></td><td align="left" rowspan="1" colspan="1"></td><td align="right" rowspan="1" colspan="1"></td></tr><tr><td align="left" rowspan="1" colspan="1"> Stage 2</td><td align="right" rowspan="1" colspan="1">0.87</td><td align="left" rowspan="1" colspan="1">[0.70,1.08]</td><td align="right" rowspan="1" colspan="1">1.10</td><td align="left" rowspan="1" colspan="1">[0.83,1.45]</td></tr><tr><td align="left" rowspan="1" colspan="1"> Stage 3</td><td align="right" rowspan="1" colspan="1">0.44<xref rid="t002fn003" ref-type="table-fn">***</xref></td><td align="left" rowspan="1" colspan="1">[0.35,0.54]</td><td align="right" rowspan="1" colspan="1">0.71<xref rid="t002fn001" ref-type="table-fn">*</xref></td><td align="left" rowspan="1" colspan="1">[0.53,0.95]</td></tr><tr><td align="left" rowspan="1" colspan="1"> Stage 4</td><td align="right" rowspan="1" colspan="1">0.56<xref rid="t002fn001" ref-type="table-fn">*</xref></td><td align="left" rowspan="1" colspan="1">[0.35,0.91]</td><td align="right" rowspan="1" colspan="1">0.53<xref rid="t002fn002" ref-type="table-fn">**</xref></td><td align="left" rowspan="1" colspan="1">[0.34,0.82]</td></tr><tr><td align="left" rowspan="1" colspan="1"> Not recorded</td><td align="right" rowspan="1" colspan="1">0.13<xref rid="t002fn003" ref-type="table-fn">***</xref></td><td align="left" rowspan="1" colspan="1">[0.09,0.18]</td><td align="right" rowspan="1" colspan="1">0.23<xref rid="t002fn003" ref-type="table-fn">***</xref></td><td align="left" rowspan="1" colspan="1">[0.16,0.34]</td></tr></tbody></table></alternatives><table-wrap-foot><fn id="t002fn001"><p>*<italic>p</italic> < 0.05</p></fn><fn id="t002fn002"><p>**<italic>p</italic> < 0.01</p></fn><fn id="t002fn003"><p>*** p < 0.001</p></fn></table-wrap-foot></table-wrap><p>Having on-site CD4 analysis capacity was associated with increased odds of baseline CD4 testing in Kenya (OR = 3.28, 95% CI = 1.27–8.50) and Uganda (OR = 2.63, 95% CI = 1.31–5.28). Compared to patients receiving care at hospitals, patients at urban health centers had increased odds of receiving a baseline CD4 test in Kenya (OR = 4.50, 95% CI = 01.48–13.68) and those at rural health centers had reduced odds in Uganda (OR = 0.22, 95% CI = 0.10–0.46). Kenyan patients at facilities with staff who received HIV training in the past year had an increased odds of a baseline CD4 test (OR = 4.10, 95% CI = 1.50–11.26); by contrast, receipt of HIV-specific training in Uganda was associated with a lower odds (OR = 0.55, 95% CI = 0.32–0.93). Ugandan patients at nurse-led programs had an increased odds for the receipt of baseline CD4 testing (OR = 2.47, 95% CI = 1.34–4.54).</p></sec><sec id="sec018"><title>Predictors of established patients receiving recommended measurements during follow-up</title><p>In comparison with patients receiving ART at hospitals, Ugandan patients at urban health centers had an increased odds of meeting weight guidelines (OR = 3.42, 95% CI = 1.65–7.08) and those at rural health centers had a reduced odds of meeting CD4 guidelines (OR = 0.21, 95% CI = 0.08–0.53). Patients at urban health centers had increased odds of meeting CD4 testing guidelines in Kenya (OR = 2.15, 95% CI = 1.13–4.09).</p><p>Kenyan patients had an increased odds of receiving a CD4 test in the past six months if they received care at a facility with staff who received HIV-specific training during the last year (OR = 2.74, 95% CI = 1.50–5.02). In Uganda, such training was associated with an increased odds for patients meeting weight guidelines (OR = 1.74, CI = 1.05–2.89), but a reduced odds for meeting CD4 testing guidelines (OR = 0.49, 95% CI = 0.24–0.98). In Uganda, patients who received care at a HIV program with nurse-led care also had increased odds of meeting CD4 testing guidelines (OR = 2.49, 95% CI = 1.17–5.30).</p><p>For established patients in Uganda, prior indications of immunological failure were associated with an increased odds of meeting weight monitoring guidelines (OR = 2.60, 95% CI = 1.27–5.29), while a previous indication of clinical failure was associated with an increased odds of meeting the semi-annual CD4 testing guidelines (OR = 1.34, 95% CI = 1.00–1.80) (<xref rid="pone.0135653.t003" ref-type="table">Table 3</xref>).</p><table-wrap id="pone.0135653.t003" orientation="portrait" position="float"><object-id pub-id-type="doi">10.1371/journal.pone.0135653.t003</object-id><label>Table 3</label><caption><title>Predictors of meeting CD4 and weight monitoring guidelines: mixed effects logistic regression results for established patients in care at the time of the survey.</title></caption><alternatives><graphic id="pone.0135653.t003g" xlink:href="pone.0135653.t003"></graphic><table frame="hsides" rules="groups"><colgroup span="1"><col align="left" valign="middle" span="1"></col><col align="left" valign="middle" span="1"></col><col align="left" valign="middle" span="1"></col><col align="left" valign="middle" span="1"></col><col align="left" valign="middle" span="1"></col></colgroup><thead><tr><th align="left" rowspan="1" colspan="1">Weight at time of survey</th><th colspan="2" align="center" rowspan="1">Kenya</th><th colspan="2" align="center" rowspan="1">Uganda</th></tr></thead><tbody><tr><td align="left" rowspan="1" colspan="1"> <italic>n</italic></td><td colspan="2" align="center" rowspan="1">5162</td><td colspan="2" align="center" rowspan="1">3867</td></tr><tr><td align="left" rowspan="1" colspan="1"><bold>Patient characteristics</bold></td><td align="left" rowspan="1" colspan="1"></td><td align="right" rowspan="1" colspan="1"></td><td align="left" rowspan="1" colspan="1"></td><td align="right" rowspan="1" colspan="1"></td></tr><tr><td align="left" rowspan="1" colspan="1"> Female</td><td align="right" rowspan="1" colspan="1">1.05</td><td align="left" rowspan="1" colspan="1">[0.87,1.27]</td><td align="right" rowspan="1" colspan="1">1.07</td><td align="left" rowspan="1" colspan="1">[0.89,1.28]</td></tr><tr><td align="left" rowspan="1" colspan="1"> Age at time of survey</td><td align="right" rowspan="1" colspan="1">1.01<xref rid="t003fn002" ref-type="table-fn">**</xref></td><td align="left" rowspan="1" colspan="1">[1.00,1.02]</td><td align="right" rowspan="1" colspan="1">1.00</td><td align="left" rowspan="1" colspan="1">[0.99,1.01]</td></tr><tr><td align="left" rowspan="1" colspan="1"> Years on ART</td><td align="right" rowspan="1" colspan="1">1.15<xref rid="t003fn003" ref-type="table-fn">***</xref></td><td align="left" rowspan="1" colspan="1">[1.07,1.24]</td><td align="right" rowspan="1" colspan="1">0.94</td><td align="left" rowspan="1" colspan="1">[0.87,1.02]</td></tr><tr><td align="left" rowspan="1" colspan="1"><bold>Facility characteristics</bold></td><td align="left" rowspan="1" colspan="1"></td><td align="right" rowspan="1" colspan="1"></td><td align="left" rowspan="1" colspan="1"></td><td align="right" rowspan="1" colspan="1"></td></tr><tr><td align="left" rowspan="1" colspan="1"> Facility type (ref: Hospital)</td><td align="left" rowspan="1" colspan="1"></td><td align="right" rowspan="1" colspan="1"></td><td align="left" rowspan="1" colspan="1"></td><td align="right" rowspan="1" colspan="1"></td></tr><tr><td align="left" rowspan="1" colspan="1"> Urban health center</td><td align="right" rowspan="1" colspan="1">1.16</td><td align="left" rowspan="1" colspan="1">[0.44,3.03]</td><td align="right" rowspan="1" colspan="1">3.42<xref rid="t003fn003" ref-type="table-fn">***</xref></td><td align="left" rowspan="1" colspan="1">[1.65,7.08]</td></tr><tr><td align="left" rowspan="1" colspan="1"> Rural health center</td><td align="right" rowspan="1" colspan="1">0.60</td><td align="left" rowspan="1" colspan="1">[0.26,1.41]</td><td align="right" rowspan="1" colspan="1">0.73</td><td align="left" rowspan="1" colspan="1">[0.37,1.42]</td></tr><tr><td align="left" rowspan="1" colspan="1"> Government/NGO owned</td><td align="right" rowspan="1" colspan="1">1.14</td><td align="left" rowspan="1" colspan="1">[0.32,3.97]</td><td align="right" rowspan="1" colspan="1">0.83</td><td align="left" rowspan="1" colspan="1">[0.49,1.41]</td></tr><tr><td align="left" rowspan="1" colspan="1"> Staff HIV training in last year</td><td align="right" rowspan="1" colspan="1">1.57</td><td align="left" rowspan="1" colspan="1">[0.67,3.70]</td><td align="right" rowspan="1" colspan="1">1.74<xref rid="t003fn001" ref-type="table-fn">*</xref></td><td align="left" rowspan="1" colspan="1">[1.05,2.89]</td></tr><tr><td align="left" rowspan="1" colspan="1"> Has nurse-led HIV treatment</td><td align="right" rowspan="1" colspan="1">0.71</td><td align="left" rowspan="1" colspan="1">[0.37,1.35]</td><td align="right" rowspan="1" colspan="1">1.03</td><td align="left" rowspan="1" colspan="1">[0.58,1.81]</td></tr><tr><td align="left" rowspan="1" colspan="1"> Age of ART program</td><td align="right" rowspan="1" colspan="1">1.00</td><td align="left" rowspan="1" colspan="1">[0.83,1.21]</td><td align="right" rowspan="1" colspan="1">1.01</td><td align="left" rowspan="1" colspan="1">[0.88,1.15]</td></tr><tr><td align="left" rowspan="1" colspan="1"> Has on-site CD4 analysis</td><td align="right" rowspan="1" colspan="1">0.68</td><td align="left" rowspan="1" colspan="1">[0.30,1.54]</td><td align="right" rowspan="1" colspan="1">0.69</td><td align="left" rowspan="1" colspan="1">[0.36,1.32]</td></tr><tr><td align="left" rowspan="1" colspan="1"><bold>Indications of failure in prior 6 months</bold></td><td align="left" rowspan="1" colspan="1"></td><td align="right" rowspan="1" colspan="1"></td><td align="left" rowspan="1" colspan="1"></td><td align="right" rowspan="1" colspan="1"></td></tr><tr><td align="left" rowspan="1" colspan="1"> Immunological criteria</td><td align="right" rowspan="1" colspan="1">0.90</td><td align="left" rowspan="1" colspan="1">[0.65,1.26]</td><td align="right" rowspan="1" colspan="1">2.60<xref rid="t003fn002" ref-type="table-fn">**</xref></td><td align="left" rowspan="1" colspan="1">[1.27,5.29]</td></tr><tr><td align="left" rowspan="1" colspan="1"> Clinical criteria</td><td align="right" rowspan="1" colspan="1">0.77</td><td align="left" rowspan="1" colspan="1">[0.57,1.04]</td><td align="right" rowspan="1" colspan="1">1.28</td><td align="left" rowspan="1" colspan="1">[0.90,1.83]</td></tr><tr><td align="left" rowspan="1" colspan="1"><bold>CD4 at time of survey</bold></td><td colspan="2" align="center" rowspan="1"></td><td colspan="2" align="center" rowspan="1"></td></tr><tr><td align="left" rowspan="1" colspan="1"> <italic>n</italic></td><td colspan="2" align="center" rowspan="1">5,162</td><td colspan="2" align="center" rowspan="1">3,867</td></tr><tr><td align="left" rowspan="1" colspan="1"><bold>Patient characteristics</bold></td><td align="left" rowspan="1" colspan="1"></td><td align="right" rowspan="1" colspan="1"></td><td align="left" rowspan="1" colspan="1"></td><td align="right" rowspan="1" colspan="1"></td></tr><tr><td align="left" rowspan="1" colspan="1"> Female</td><td align="right" rowspan="1" colspan="1">1.14<xref rid="t003fn001" ref-type="table-fn">*</xref></td><td align="left" rowspan="1" colspan="1">[1.00,1.30]</td><td align="right" rowspan="1" colspan="1">1.15</td><td align="left" rowspan="1" colspan="1">[0.97,1.36]</td></tr><tr><td align="left" rowspan="1" colspan="1"> Age at time of survey</td><td align="right" rowspan="1" colspan="1">1.01<xref rid="t003fn001" ref-type="table-fn">*</xref></td><td align="left" rowspan="1" colspan="1">[1.00,1.01]</td><td align="right" rowspan="1" colspan="1">1.01<xref rid="t003fn001" ref-type="table-fn">*</xref></td><td align="left" rowspan="1" colspan="1">[1.00,1.02]</td></tr><tr><td align="left" rowspan="1" colspan="1"> Years on ART</td><td align="right" rowspan="1" colspan="1">1.04</td><td align="left" rowspan="1" colspan="1">[0.99,1.10]</td><td align="right" rowspan="1" colspan="1">0.93</td><td align="left" rowspan="1" colspan="1">[0.87,1.00]</td></tr><tr><td align="left" rowspan="1" colspan="1"><bold>Facility characteristics</bold></td><td align="left" rowspan="1" colspan="1"></td><td align="right" rowspan="1" colspan="1"></td><td align="left" rowspan="1" colspan="1"></td><td align="right" rowspan="1" colspan="1"></td></tr><tr><td align="left" rowspan="1" colspan="1">Facility type (ref: Hospital)</td><td align="left" rowspan="1" colspan="1"></td><td align="right" rowspan="1" colspan="1"></td><td align="left" rowspan="1" colspan="1"></td><td align="right" rowspan="1" colspan="1"></td></tr><tr><td align="left" rowspan="1" colspan="1"> Urban health center</td><td align="right" rowspan="1" colspan="1">2.15<xref rid="t003fn001" ref-type="table-fn">*</xref></td><td align="left" rowspan="1" colspan="1">[1.13,4.09]</td><td align="right" rowspan="1" colspan="1">0.86</td><td align="left" rowspan="1" colspan="1">[0.35,2.13]</td></tr><tr><td align="left" rowspan="1" colspan="1"> Rural health center</td><td align="right" rowspan="1" colspan="1">0.74</td><td align="left" rowspan="1" colspan="1">[0.40,1.36]</td><td align="right" rowspan="1" colspan="1">0.21<xref rid="t003fn002" ref-type="table-fn">**</xref></td><td align="left" rowspan="1" colspan="1">[0.08,0.53]</td></tr><tr><td align="left" rowspan="1" colspan="1"> Government/NGO owned</td><td align="right" rowspan="1" colspan="1">1.23</td><td align="left" rowspan="1" colspan="1">[0.51,2.96]</td><td align="right" rowspan="1" colspan="1">0.93</td><td align="left" rowspan="1" colspan="1">[0.46,1.90]</td></tr><tr><td align="left" rowspan="1" colspan="1"> Staff HIV training in last year</td><td align="right" rowspan="1" colspan="1">2.42<xref rid="t003fn002" ref-type="table-fn">**</xref></td><td align="left" rowspan="1" colspan="1">[1.35,4.33]</td><td align="right" rowspan="1" colspan="1">0.49<xref rid="t003fn001" ref-type="table-fn">*</xref></td><td align="left" rowspan="1" colspan="1">[0.24,0.98]</td></tr><tr><td align="left" rowspan="1" colspan="1"> Has nurse-led HIV treatment</td><td align="right" rowspan="1" colspan="1">0.78</td><td align="left" rowspan="1" colspan="1">[0.49,1.22]</td><td align="right" rowspan="1" colspan="1">2.49<xref rid="t003fn001" ref-type="table-fn">*</xref></td><td align="left" rowspan="1" colspan="1">[1.17,5.30]</td></tr><tr><td align="left" rowspan="1" colspan="1"> Age of ART program</td><td align="right" rowspan="1" colspan="1">0.92</td><td align="left" rowspan="1" colspan="1">[0.80,1.05]</td><td align="right" rowspan="1" colspan="1">1.06</td><td align="left" rowspan="1" colspan="1">[0.88,1.26]</td></tr><tr><td align="left" rowspan="1" colspan="1"> Has on-site CD4 analysis</td><td align="right" rowspan="1" colspan="1">1.86<xref rid="t003fn001" ref-type="table-fn">*</xref></td><td align="left" rowspan="1" colspan="1">[1.05,3.31]</td><td align="right" rowspan="1" colspan="1">1.30</td><td align="left" rowspan="1" colspan="1">[0.54,3.14]</td></tr><tr><td align="left" rowspan="1" colspan="1"><bold>Indications of failure in prior 6 months</bold></td><td align="left" rowspan="1" colspan="1"></td><td align="right" rowspan="1" colspan="1"></td><td align="left" rowspan="1" colspan="1"></td><td align="right" rowspan="1" colspan="1"></td></tr><tr><td align="left" rowspan="1" colspan="1"> Immunological criteria</td><td align="right" rowspan="1" colspan="1">1.00</td><td align="left" rowspan="1" colspan="1">[0.79,1.27]</td><td align="right" rowspan="1" colspan="1">1.25</td><td align="left" rowspan="1" colspan="1">[0.83,1.87]</td></tr><tr><td align="left" rowspan="1" colspan="1"> Clinical criteria</td><td align="right" rowspan="1" colspan="1">0.93</td><td align="left" rowspan="1" colspan="1">[0.74,1.17]</td><td align="right" rowspan="1" colspan="1">1.34<xref rid="t003fn001" ref-type="table-fn">*</xref></td><td align="left" rowspan="1" colspan="1">[1.00,1.80]</td></tr></tbody></table></alternatives><table-wrap-foot><fn id="t003fn001"><p>*<italic>p</italic> < 0.05</p></fn><fn id="t003fn002"><p>**<italic>p</italic> < 0.01</p></fn><fn id="t003fn003"><p>*** p < 0.001</p></fn></table-wrap-foot></table-wrap></sec></sec><sec sec-type="conclusions" id="sec019"><title>Discussion</title><p>Kenya and Uganda have both made tremendous gains in enrolling patients on ART. However, in the setting of increased financial constraints and attention towards quality of care, a careful examination of monitoring practices is essential. As monitoring guidelines for ART patients transition to include viral load testing, our findings raise relevant questions about clinic visit frequency, laboratory capacity, and adherence to international and national norms.</p><p>We found that patients were visiting the clinic quite frequently, and on average 90% of established patients had a visit every three months in 2012. Since most of these patients were likely to be stable and required little or no intervention, it is important to consider whether quarterly clinic visits for this established stable population on ART is necessary, as a reduction in visit frequency could have a significant impact on facility costs and efficiency [<xref rid="pone.0135653.ref031" ref-type="bibr">31</xref>]. Reducing ART visit frequency could also lessen the burden on patients, as exit interviews conducted as part of the larger ABCE project found that patients waited and traveled longer for ART services than other types of care [<xref rid="pone.0135653.ref028" ref-type="bibr">28</xref>,<xref rid="pone.0135653.ref029" ref-type="bibr">29</xref>]. A recent analysis from Kenya demonstrated the cost-effectiveness of a model that shifts care from health facilities to the community, thereby reducing the frequency of ART visits [<xref rid="pone.0135653.ref032" ref-type="bibr">32</xref>]. Another study showed that among virally suppressed patients, there was no difference in the probability of continued suppression among patients who returned for care at different frequencies (i.e., three, four, or six months later) [<xref rid="pone.0135653.ref033" ref-type="bibr">33</xref>]. Further research is needed to establish whether refining the frequency of clinic visits yields similar results across ART program settings.</p><p>Our study found that most ART patients in our sample regularly visited facilities, suggesting that patient monitoring may be primarily limited by facility resources and actions rather than care-seeking behaviours. While low-tech, point-of-care weight monitoring was feasible and performed according to guidelines at most facilities, less than 50% of patients in care received a CD4 test during the previous six months in both Kenya and Uganda. Given that ART patient volumes dramatically increased during the study period, the overall number of CD4 tests has undoubtedly grown; at the same time, facilities barely kept pace or fell behind in the proportion of their patients receiving CD4 tests for continuous monitoring. In Uganda, we found that facilities where staff HIV training was performed within the prior year the odds of having a CD4 at baseline or afterwards was lower than in facilities where there was no such training. This could potentially be explained by an even more dramatic increase in patient volumes in facilities with additional training/expertise leading to demand for testing outstripping testing capacity. Alternatively, facilities where HIV training was performed may have noted less benefit in recurrent CD4 counts, and reserved testing for patients who appeared clinically ill or had another indication for CD4 testing. We also found that CD4 testing was strongly related to having on-site analysis capacity. As CD4 testing remains one of the primary means for determining ART initiation, our results support equipping facilities to analyze CD4 tests, or at a minimum improving systems through which off-site CD4 test analysis can occur efficiently and at low cost. Our findings complement previous research on the benefits of point-of-care CD4 testing to reduce attrition between testing and initiation [<xref rid="pone.0135653.ref034" ref-type="bibr">34</xref>,<xref rid="pone.0135653.ref035" ref-type="bibr">35</xref>].</p><p>Experiences with off-site CD4 analysis are also highly relevant as countries begin scaling up viral load monitoring. While viral load testing offers benefits over immunological and clinical monitoring [<xref rid="pone.0135653.ref008" ref-type="bibr">8</xref>], this guideline shift does not expressly address the underlying issue of access to monitoring. For instance, Uganda plans to use its existing sample transport referral network to deliver and analyze viral load samples at a centralized location in Kampala; while this approach may help with the initial roll-out of viral load testing, it does not improve point-of-care needs and may remain limited by the same infrastructure challenges underlying CD4 testing [<xref rid="pone.0135653.ref036" ref-type="bibr">36</xref>]. New guidelines call for immunological testing in instances where viral load is unavailable [<xref rid="pone.0135653.ref008" ref-type="bibr">8</xref>,<xref rid="pone.0135653.ref020" ref-type="bibr">20</xref>], but our findings demonstrate that such alternatives (i.e., CD4 testing) may remain inaccessible for many patients, particularly in rural areas. Greater policy attention is needed to address these limitations to laboratory capacity in sub-Saharan Africa, especially as the need for more ART services in rural areas is likely to grow. To this end, the development of effective point-of-care viral load testing could be an important innovation [<xref rid="pone.0135653.ref037" ref-type="bibr">37</xref>].</p><p>Our findings should be viewed in light of a number of limitations. First, we only examined tests and visits recorded in patient charts. While these data reflect the information available to providers for monitoring purposes, we cannot quantify how much record-keeping practices affected our results concerning gaps between recommended and observed testing practices. Second, patient charts did not contain demographic characteristics, such as educational levels and household wealth, which could be important determinants of health behaviors. Third, chart storage for deceased or defaulted patients may vary across facilities, a practice that could introduce biases. Further, electronic medical records received from six facilities may differ from the paper records used at the remaining facilities. At the two Ugandan facilities with electronic records, 100% of patients received a CD4 test at initiation. Since we sampled only a few facilities with electronic records, we are unable to determine if this relationship was due to record-keeping procedures, overall managerial and financial capacity, or a causal relationship between electronic records and better monitoring.</p><p>Despite these limitations, our study identifies a clear gap between prior immunological monitoring guidelines and clinical practice. These findings are particularly relevant as the number of patients eligible for ART continues to increase due to changing initiation guidelines.<sup>5</sup> Future research will need to address the frequency of routine clinic visits and testing, while national HIV treatment programs will also need to look toward improving current laboratory capacity. Striking this balance in terms of patient visit quantity and quality is critical to ensuring that patients receive the maximum benefits of ART.</p></sec></body><back><ack><p>The authors would like to acknowledge all individuals who contributed to this study, including facility staff who gave their time for to complete all survey components; research associates and ABCE field team members who conducted data collection; the Kenyan and Ugandan Ministries of Health for their support and feedback; country collaborators in Uganda (Infectious Disease Research Collaboration) and Kenya (Action Africa Help-International); and IHME staff Nancy Fullman, Kelsey Moore, Annie Haakenstad, and Aubrey Levine for project management and editing.</p></ack><ref-list><title>References</title><ref id="pone.0135653.ref001"><label>1</label><mixed-citation publication-type="other">UNAIDS. Access to Antiretroviral Therapy in Africa: Status report on progress towards the 2015 targets [Internet]. 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