Estimating the incidence of colorectal cancer in Sub–Saharan Africa: A systematic analysis
Identifieur interne : 002636 ( Pmc/Curation ); précédent : 002635; suivant : 002637Estimating the incidence of colorectal cancer in Sub–Saharan Africa: A systematic analysis
Auteurs : Alice Graham ; Davies Adeloye ; Liz Grant ; Evropi Theodoratou ; Harry CampbellSource :
- Journal of Global Health [ 2047-2978 ] ; 2012.
Abstract
Nearly two–thirds of annual mortality worldwide is attributable to non–communicable diseases (NCDs), with 70% estimated to occur in low– and middle–income countries (LMIC). Colorectal cancer (CRC) accounts for over 600 000 deaths annually, but data concerning cancer rates in LMIC is very poor. This study analyses the data available to produce an estimate of the incidence of colorectal cancer in Sub–Saharan Africa (SSA).
Data for this analysis came from two main sources: a systematic search of Medline, EMBASE and Global Health which found 15 published data sets, and an additional 42 unpublished data sets which were sourced from the IARC and individual cancer registries. Data for case rates by age and sex, as well as population denominators were extracted and analysed to produce an estimate of incidence.
The crude incidence of CRC in SSA for both sexes was found to be 4.04 per 100 000 population (4.38 for men and 3.69 for women). Incidence increased with age with the highest rates in Southern Africa, particularly in South Africa. The rates of CRC in SSA were much lower than those reported for high–income countries.
Few health services in SSA are equipped to provide timely diagnosis and treatment of cancer in SSA. In addition, data collection systems are weak, meaning that the available statistics may underestimate the burden of disease. In order to improve health care services it is vital that accurate measurements of disease burden are available to policy makers.
Url:
DOI: 10.7189/jogh.02.020204
PubMed: 23289079
PubMed Central: 3529315
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<author><name sortKey="Adeloye, Davies" sort="Adeloye, Davies" uniqKey="Adeloye D" first="Davies" last="Adeloye">Davies Adeloye</name>
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<author><name sortKey="Grant, Liz" sort="Grant, Liz" uniqKey="Grant L" first="Liz" last="Grant">Liz Grant</name>
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<author><name sortKey="Theodoratou, Evropi" sort="Theodoratou, Evropi" uniqKey="Theodoratou E" first="Evropi" last="Theodoratou">Evropi Theodoratou</name>
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<sourceDesc><biblStruct><analytic><title xml:lang="en" level="a" type="main">Estimating the incidence of colorectal cancer in Sub–Saharan Africa: A systematic analysis</title>
<author><name sortKey="Graham, Alice" sort="Graham, Alice" uniqKey="Graham A" first="Alice" last="Graham">Alice Graham</name>
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<author><name sortKey="Adeloye, Davies" sort="Adeloye, Davies" uniqKey="Adeloye D" first="Davies" last="Adeloye">Davies Adeloye</name>
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<author><name sortKey="Grant, Liz" sort="Grant, Liz" uniqKey="Grant L" first="Liz" last="Grant">Liz Grant</name>
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<author><name sortKey="Theodoratou, Evropi" sort="Theodoratou, Evropi" uniqKey="Theodoratou E" first="Evropi" last="Theodoratou">Evropi Theodoratou</name>
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<series><title level="j">Journal of Global Health</title>
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<front><div type="abstract" xml:lang="en"><sec><title>Background</title>
<p>Nearly two–thirds of annual mortality worldwide is attributable to non–communicable diseases (NCDs), with 70% estimated to occur in low– and middle–income countries (LMIC). Colorectal cancer (CRC) accounts for over 600 000 deaths annually, but data concerning cancer rates in LMIC is very poor. This study analyses the data available to produce an estimate of the incidence of colorectal cancer in Sub–Saharan Africa (SSA).</p>
</sec>
<sec><title>Methods</title>
<p>Data for this analysis came from two main sources: a systematic search of Medline, EMBASE and Global Health which found 15 published data sets, and an additional 42 unpublished data sets which were sourced from the IARC and individual cancer registries. Data for case rates by age and sex, as well as population denominators were extracted and analysed to produce an estimate of incidence.</p>
</sec>
<sec><title>Results</title>
<p>The crude incidence of CRC in SSA for both sexes was found to be 4.04 per 100 000 population (4.38 for men and 3.69 for women). Incidence increased with age with the highest rates in Southern Africa, particularly in South Africa. The rates of CRC in SSA were much lower than those reported for high–income countries.</p>
</sec>
<sec><title>Conclusion</title>
<p>Few health services in SSA are equipped to provide timely diagnosis and treatment of cancer in SSA. In addition, data collection systems are weak, meaning that the available statistics may underestimate the burden of disease. In order to improve health care services it is vital that accurate measurements of disease burden are available to policy makers.</p>
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<journal-id journal-id-type="iso-abbrev">J Glob Health</journal-id>
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<article-id pub-id-type="publisher-id">jogh-02-020404</article-id>
<article-id pub-id-type="doi">10.7189/jogh.02.020204</article-id>
<article-categories><subj-group subj-group-type="heading"><subject>Article</subject>
</subj-group>
</article-categories>
<title-group><article-title>Estimating the incidence of colorectal cancer in Sub–Saharan Africa: A systematic analysis</article-title>
<alt-title alt-title-type="running-head">Graham et al. Estimating the incidence of colorectal cancer in Sub–Saharan Africa</alt-title>
</title-group>
<contrib-group><contrib contrib-type="author"><name><surname>Graham</surname>
<given-names>Alice</given-names>
</name>
</contrib>
<contrib contrib-type="author"><name><surname>Adeloye</surname>
<given-names>Davies</given-names>
</name>
</contrib>
<contrib contrib-type="author"><name><surname>Grant</surname>
<given-names>Liz</given-names>
</name>
</contrib>
<contrib contrib-type="author"><name><surname>Theodoratou</surname>
<given-names>Evropi</given-names>
</name>
</contrib>
<contrib contrib-type="author"><name><surname>Campbell</surname>
<given-names>Harry</given-names>
</name>
</contrib>
<aff id="aff1">Centre for Population Health Sciences and Global Health Academy, The University of Edinburgh Medical School, Edinburgh, Scotland, UK</aff>
</contrib-group>
<author-notes><corresp id="cor1"><bold>Correspondence to:</bold>
Prof. Harry Campbell
Centre for Population Health Sciences
The University of Edinburgh Medical School
Teviot Place, Edinburgh EH8 9AG
Scotland, UK
<email xlink:href="Harry.Campbell@ed.ac.uk">Harry.Campbell@ed.ac.uk</email>
</corresp>
</author-notes>
<pub-date pub-type="ppub"><month>12</month>
<year>2012</year>
</pub-date>
<volume>2</volume>
<issue>2</issue>
<elocation-id>020404</elocation-id>
<permissions><copyright-statement>Copyright © 2012 by the Journal of Global Health. All rights reserved.</copyright-statement>
<copyright-year>2012</copyright-year>
<license license-type="open-access" xlink:href="http://creativecommons.org/licenses/by/2.5/"><license-p>This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.</license-p>
</license>
</permissions>
<abstract><sec><title>Background</title>
<p>Nearly two–thirds of annual mortality worldwide is attributable to non–communicable diseases (NCDs), with 70% estimated to occur in low– and middle–income countries (LMIC). Colorectal cancer (CRC) accounts for over 600 000 deaths annually, but data concerning cancer rates in LMIC is very poor. This study analyses the data available to produce an estimate of the incidence of colorectal cancer in Sub–Saharan Africa (SSA).</p>
</sec>
<sec><title>Methods</title>
<p>Data for this analysis came from two main sources: a systematic search of Medline, EMBASE and Global Health which found 15 published data sets, and an additional 42 unpublished data sets which were sourced from the IARC and individual cancer registries. Data for case rates by age and sex, as well as population denominators were extracted and analysed to produce an estimate of incidence.</p>
</sec>
<sec><title>Results</title>
<p>The crude incidence of CRC in SSA for both sexes was found to be 4.04 per 100 000 population (4.38 for men and 3.69 for women). Incidence increased with age with the highest rates in Southern Africa, particularly in South Africa. The rates of CRC in SSA were much lower than those reported for high–income countries.</p>
</sec>
<sec><title>Conclusion</title>
<p>Few health services in SSA are equipped to provide timely diagnosis and treatment of cancer in SSA. In addition, data collection systems are weak, meaning that the available statistics may underestimate the burden of disease. In order to improve health care services it is vital that accurate measurements of disease burden are available to policy makers.</p>
</sec>
</abstract>
<counts><page-count count="14"></page-count>
</counts>
</article-meta>
</front>
</pmc>
</record>
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