Reliability of spatiotemporal gait outcome measures in Huntington's disease
Identifieur interne : 003762 ( Main/Exploration ); précédent : 003761; suivant : 003763Reliability of spatiotemporal gait outcome measures in Huntington's disease
Auteurs : Ashwini K. Rao [États-Unis] ; Lori Quinn [États-Unis] ; Karen S. Marder [États-Unis]Source :
- Movement Disorders [ 0885-3185 ] ; 2005-08.
Descripteurs français
- Pascal (Inist)
English descriptors
- KwdEn :
- Adult, Diagnosis, Computer-Assisted (instrumentation), Disability Evaluation, Female, GAITRite, Gait (physiology), Gait Disorders, Neurologic (etiology), Gait Disorders, Neurologic (physiopathology), Humans, Huntington Disease (complications), Huntington Disease (physiopathology), Huntington disease, Huntington's disease, Male, Middle Aged, Nervous system diseases, Outcome Assessment (Health Care), Prognosis, Reliability, Reproducibility of Results, Test reliability, gait, outcome measures, test–retest reliability.
- MESH :
- complications : Huntington Disease.
- etiology : Gait Disorders, Neurologic.
- instrumentation : Diagnosis, Computer-Assisted.
- physiology : Gait.
- physiopathology : Gait Disorders, Neurologic, Huntington Disease.
- Adult, Disability Evaluation, Female, Humans, Male, Middle Aged, Outcome Assessment (Health Care), Reproducibility of Results.
Abstract
Gait impairments are very important in Huntington's disease (HD), because loss of independence in gait is an important predictor of nursing home placement. Given this importance, it is imperative to test reliable and sensitive outcome measures that can be tested easily in various clinical environments. Here, we examined the test–retest reliability of gait outcome measures using the GAITRite instrumented carpet. We tested 12 subjects with HD and 12 age‐matched controls in two separate sessions. At each session, subjects walked across the GAITRite carpet at a comfortable speed. We used the intraclass correlation coefficient (ICC) and coefficient of variation (CoV) to measure test–retest reliability. Reliability was very high for all outcome measures (velocity, cycle time, stride length, cadence, and base of support), as seen by high ICC scores (0.86 to 0.95) and low CoV scores (0.042–0.102). In addition, the performance across the two subject groups was very different, indicating that the GAITRite is sensitive enough to distinguish between populations. Given that the GAITRite is a relatively inexpensive and portable piece of equipment, it can be used in a wide variety of clinical settings and clinical trials. Our data on high test–retest reliability and sensitivity extends the utility of the GAITRite to the HD population. © 2005 Movement Disorder Society
Url:
DOI: 10.1002/mds.20482
Affiliations:
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Disord.</title><idno type="ISSN">0885-3185</idno><idno type="eISSN">1531-8257</idno><imprint><publisher>Wiley Subscription Services, Inc., A Wiley Company</publisher><pubPlace>Hoboken</pubPlace><date type="published" when="2005-08">2005-08</date><biblScope unit="vol">20</biblScope><biblScope unit="issue">8</biblScope><biblScope unit="page" from="1033">1033</biblScope><biblScope unit="page" to="1037">1037</biblScope></imprint><idno type="ISSN">0885-3185</idno></series><idno type="istex">57875BC5662F62F36493B3BEA20F532755360A26</idno><idno type="DOI">10.1002/mds.20482</idno><idno type="ArticleID">MDS20482</idno></biblStruct></sourceDesc><seriesStmt><idno type="ISSN">0885-3185</idno></seriesStmt></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Adult</term><term>Diagnosis, Computer-Assisted (instrumentation)</term><term>Disability Evaluation</term><term>Female</term><term>GAITRite</term><term>Gait (physiology)</term><term>Gait Disorders, Neurologic (etiology)</term><term>Gait Disorders, Neurologic (physiopathology)</term><term>Humans</term><term>Huntington Disease (complications)</term><term>Huntington Disease (physiopathology)</term><term>Huntington disease</term><term>Huntington's disease</term><term>Male</term><term>Middle Aged</term><term>Nervous system diseases</term><term>Outcome Assessment (Health Care)</term><term>Prognosis</term><term>Reliability</term><term>Reproducibility of Results</term><term>Test reliability</term><term>gait</term><term>outcome measures</term><term>test–retest reliability</term></keywords><keywords scheme="MESH" qualifier="complications" xml:lang="en"><term>Huntington Disease</term></keywords><keywords scheme="MESH" qualifier="etiology" xml:lang="en"><term>Gait Disorders, Neurologic</term></keywords><keywords scheme="MESH" qualifier="instrumentation" xml:lang="en"><term>Diagnosis, Computer-Assisted</term></keywords><keywords scheme="MESH" qualifier="physiology" xml:lang="en"><term>Gait</term></keywords><keywords scheme="MESH" qualifier="physiopathology" xml:lang="en"><term>Gait Disorders, Neurologic</term><term>Huntington Disease</term></keywords><keywords scheme="MESH" xml:lang="en"><term>Adult</term><term>Disability Evaluation</term><term>Female</term><term>Humans</term><term>Male</term><term>Middle Aged</term><term>Outcome Assessment (Health Care)</term><term>Reproducibility of Results</term></keywords><keywords scheme="Pascal" xml:lang="fr"><term>Chorée Huntington</term><term>Fiabilité</term><term>Fidélité test</term><term>Pronostic</term><term>Système nerveux pathologie</term></keywords></textClass><langUsage><language ident="en">en</language></langUsage></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">Gait impairments are very important in Huntington's disease (HD), because loss of independence in gait is an important predictor of nursing home placement. Given this importance, it is imperative to test reliable and sensitive outcome measures that can be tested easily in various clinical environments. Here, we examined the test–retest reliability of gait outcome measures using the GAITRite instrumented carpet. We tested 12 subjects with HD and 12 age‐matched controls in two separate sessions. At each session, subjects walked across the GAITRite carpet at a comfortable speed. We used the intraclass correlation coefficient (ICC) and coefficient of variation (CoV) to measure test–retest reliability. Reliability was very high for all outcome measures (velocity, cycle time, stride length, cadence, and base of support), as seen by high ICC scores (0.86 to 0.95) and low CoV scores (0.042–0.102). In addition, the performance across the two subject groups was very different, indicating that the GAITRite is sensitive enough to distinguish between populations. Given that the GAITRite is a relatively inexpensive and portable piece of equipment, it can be used in a wide variety of clinical settings and clinical trials. Our data on high test–retest reliability and sensitivity extends the utility of the GAITRite to the HD population. © 2005 Movement Disorder Society</div></front></TEI><affiliations><list><country><li>États-Unis</li></country><region><li>État de New York</li></region></list><tree><country name="États-Unis"><region name="État de New York"><name sortKey="Rao, Ashwini K" sort="Rao, Ashwini K" uniqKey="Rao A" first="Ashwini K." last="Rao">Ashwini K. Rao</name></region><name sortKey="Marder, Karen S" sort="Marder, Karen S" uniqKey="Marder K" first="Karen S." last="Marder">Karen S. Marder</name><name sortKey="Marder, Karen S" sort="Marder, Karen S" uniqKey="Marder K" first="Karen S." last="Marder">Karen S. Marder</name><name sortKey="Quinn, Lori" sort="Quinn, Lori" uniqKey="Quinn L" first="Lori" last="Quinn">Lori Quinn</name></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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