International cooperative ataxia rating scale (ICARS): Appropriate for studies of Friedreich's ataxia?
Identifieur interne : 003882 ( Main/Exploration ); précédent : 003881; suivant : 003883International cooperative ataxia rating scale (ICARS): Appropriate for studies of Friedreich's ataxia?
Auteurs : Stefan J. Cano [Royaume-Uni] ; Jeremy C. Hobart [Royaume-Uni] ; Paul E. Hart [Royaume-Uni] ; L. V. Prasad Korlipara [Royaume-Uni] ; Anthony H. V. Schapira [Royaume-Uni] ; J. Mark Cooper [Royaume-Uni]Source :
- Movement Disorders [ 0885-3185 ] ; 2005-12.
Descripteurs français
- Pascal (Inist)
English descriptors
- KwdEn :
- Adolescent, Adult, Ataxia, Child, Disability Evaluation, Evaluation scale, Female, Friedreich Ataxia (diagnosis), Friedreich Ataxia (physiopathology), Friedreich ataxia, Friedreich's ataxia, Humans, International Cooperation, Male, Middle Aged, Models, Statistical, Nervous system diseases, Neurologic Examination (methods), Neurologic Examination (standards), Psychometrics, Psychometrics (legislation & jurisprudence), Psychometrics (methods), Psychometrics (standards), Reliability, Reproducibility of Results, Sensitivity and Specificity, Severity of Illness Index, Sickness Impact Profile, Validity, health measurement, psychometrics, rating scale, reliability, validity.
- MESH :
- diagnosis : Friedreich Ataxia.
- legislation & jurisprudence : Psychometrics.
- methods : Neurologic Examination, Psychometrics.
- physiopathology : Friedreich Ataxia.
- standards : Neurologic Examination, Psychometrics.
- Adolescent, Adult, Child, Disability Evaluation, Female, Humans, International Cooperation, Male, Middle Aged, Models, Statistical, Reproducibility of Results, Sensitivity and Specificity, Severity of Illness Index, Sickness Impact Profile.
Abstract
Clinicians require scientifically rigorous, clinically meaningful rating scales to evaluate the health impact of disease and treatment that cannot be measured using conventional laboratory instruments. This study evaluated the psychometric properties of the International Cooperative Ataxia Rating Scale (ICARS), a commonly used clinician‐rated measure, in Friedreich's ataxia (FRDA). People with confirmed FRDA were assessed by using the ICARS. Two assumptions of its measurement model were tested: the legitimacy of reporting ICARS scores in FRDA, and the acceptability, reliability, and validity of total and subscale scores. Seventy‐seven people with FRDA were assessed. The ICARS total score effectively satisfied all psychometric criteria tested. The posture and gait disturbances subscale also performed well. The other three subscales did not pass standard criteria for tests of scaling assumptions, reliability, and validity. This small study recommends only the use of the ICARS total score as a measure of FRDA. However, the extent to which this score quantifies the true extent of FRDA remains uncertain as our validity testing was limited, partly by the lack of appropriate validating measures. Further validity testing, and examination of responsiveness, is required before the ICARS can be recommended as an outcome measure for treatment trials of FDRA. © 2005 Movement Disorder Society
Url:
DOI: 10.1002/mds.20651
Affiliations:
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Hobart</name><affiliation wicri:level="3"><country xml:lang="fr">Royaume-Uni</country><wicri:regionArea>Neurological Outcome Measures Unit, Institute of Neurology, London</wicri:regionArea><placeName><settlement type="city">Londres</settlement><region type="country">Angleterre</region><region type="région" nuts="1">Grand Londres</region></placeName></affiliation><affiliation wicri:level="1"><country xml:lang="fr">Royaume-Uni</country><wicri:regionArea>Department of Clinical Neurosciences, Peninsula Medical School, Derriford Hospital, Plymouth</wicri:regionArea><wicri:noRegion>Plymouth</wicri:noRegion></affiliation></author><author><name sortKey="Hart, Paul E" sort="Hart, Paul E" uniqKey="Hart P" first="Paul E." last="Hart">Paul E. 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Prasad Korlipara</name><affiliation wicri:level="3"><country xml:lang="fr">Royaume-Uni</country><wicri:regionArea>Department of Clinical Neurosciences, Royal Free & University College Medical School, London</wicri:regionArea><placeName><settlement type="city">Londres</settlement><region type="country">Angleterre</region><region type="région" nuts="1">Grand Londres</region></placeName></affiliation></author><author><name sortKey="Schapira, Anthony H V" sort="Schapira, Anthony H V" uniqKey="Schapira A" first="Anthony H. V." last="Schapira">Anthony H. V. 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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="2005-12">2005-12</date><biblScope unit="vol">20</biblScope><biblScope unit="issue">12</biblScope><biblScope unit="page" from="1585">1585</biblScope><biblScope unit="page" to="1591">1591</biblScope></imprint><idno type="ISSN">0885-3185</idno></series><idno type="istex">BE6472D4655421D9D2F2D7C61564D01827495D23</idno><idno type="DOI">10.1002/mds.20651</idno><idno type="ArticleID">MDS20651</idno></biblStruct></sourceDesc><seriesStmt><idno type="ISSN">0885-3185</idno></seriesStmt></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Adolescent</term><term>Adult</term><term>Ataxia</term><term>Child</term><term>Disability Evaluation</term><term>Evaluation scale</term><term>Female</term><term>Friedreich Ataxia (diagnosis)</term><term>Friedreich Ataxia (physiopathology)</term><term>Friedreich ataxia</term><term>Friedreich's ataxia</term><term>Humans</term><term>International Cooperation</term><term>Male</term><term>Middle Aged</term><term>Models, Statistical</term><term>Nervous system diseases</term><term>Neurologic Examination (methods)</term><term>Neurologic Examination (standards)</term><term>Psychometrics</term><term>Psychometrics (legislation & jurisprudence)</term><term>Psychometrics (methods)</term><term>Psychometrics (standards)</term><term>Reliability</term><term>Reproducibility of Results</term><term>Sensitivity and Specificity</term><term>Severity of Illness Index</term><term>Sickness Impact Profile</term><term>Validity</term><term>health measurement</term><term>psychometrics</term><term>rating scale</term><term>reliability</term><term>validity</term></keywords><keywords scheme="MESH" qualifier="diagnosis" xml:lang="en"><term>Friedreich Ataxia</term></keywords><keywords scheme="MESH" qualifier="legislation & jurisprudence" xml:lang="en"><term>Psychometrics</term></keywords><keywords scheme="MESH" qualifier="methods" xml:lang="en"><term>Neurologic Examination</term><term>Psychometrics</term></keywords><keywords scheme="MESH" qualifier="physiopathology" xml:lang="en"><term>Friedreich Ataxia</term></keywords><keywords scheme="MESH" qualifier="standards" xml:lang="en"><term>Neurologic Examination</term><term>Psychometrics</term></keywords><keywords scheme="MESH" xml:lang="en"><term>Adolescent</term><term>Adult</term><term>Child</term><term>Disability Evaluation</term><term>Female</term><term>Humans</term><term>International Cooperation</term><term>Male</term><term>Middle Aged</term><term>Models, Statistical</term><term>Reproducibility of Results</term><term>Sensitivity and Specificity</term><term>Severity of Illness Index</term><term>Sickness Impact Profile</term></keywords><keywords scheme="Pascal" xml:lang="fr"><term>Ataxie</term><term>Echelle d'évaluation</term><term>Fiabilité</term><term>Hérédodégénérescence spinocérébelleuse Friedreich</term><term>Psychométrie</term><term>Système nerveux pathologie</term><term>Validité</term></keywords></textClass><langUsage><language ident="en">en</language></langUsage></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">Clinicians require scientifically rigorous, clinically meaningful rating scales to evaluate the health impact of disease and treatment that cannot be measured using conventional laboratory instruments. This study evaluated the psychometric properties of the International Cooperative Ataxia Rating Scale (ICARS), a commonly used clinician‐rated measure, in Friedreich's ataxia (FRDA). People with confirmed FRDA were assessed by using the ICARS. Two assumptions of its measurement model were tested: the legitimacy of reporting ICARS scores in FRDA, and the acceptability, reliability, and validity of total and subscale scores. Seventy‐seven people with FRDA were assessed. The ICARS total score effectively satisfied all psychometric criteria tested. The posture and gait disturbances subscale also performed well. The other three subscales did not pass standard criteria for tests of scaling assumptions, reliability, and validity. This small study recommends only the use of the ICARS total score as a measure of FRDA. However, the extent to which this score quantifies the true extent of FRDA remains uncertain as our validity testing was limited, partly by the lack of appropriate validating measures. Further validity testing, and examination of responsiveness, is required before the ICARS can be recommended as an outcome measure for treatment trials of FDRA. © 2005 Movement Disorder Society</div></front></TEI><affiliations><list><country><li>Royaume-Uni</li></country><region><li>Angleterre</li><li>Grand Londres</li></region><settlement><li>Londres</li></settlement></list><tree><country name="Royaume-Uni"><region name="Angleterre"><name sortKey="Cano, Stefan J" sort="Cano, Stefan J" uniqKey="Cano S" first="Stefan J." last="Cano">Stefan J. Cano</name></region><name sortKey="Cano, Stefan J" sort="Cano, Stefan J" uniqKey="Cano S" first="Stefan J." last="Cano">Stefan J. Cano</name><name sortKey="Cooper, J Mark" sort="Cooper, J Mark" uniqKey="Cooper J" first="J. Mark" last="Cooper">J. Mark Cooper</name><name sortKey="Hart, Paul E" sort="Hart, Paul E" uniqKey="Hart P" first="Paul E." last="Hart">Paul E. Hart</name><name sortKey="Hobart, Jeremy C" sort="Hobart, Jeremy C" uniqKey="Hobart J" first="Jeremy C." last="Hobart">Jeremy C. Hobart</name><name sortKey="Hobart, Jeremy C" sort="Hobart, Jeremy C" uniqKey="Hobart J" first="Jeremy C." last="Hobart">Jeremy C. Hobart</name><name sortKey="Korlipara, L V Prasad" sort="Korlipara, L V Prasad" uniqKey="Korlipara L" first="L. V. Prasad" last="Korlipara">L. V. Prasad Korlipara</name><name sortKey="Schapira, Anthony H V" sort="Schapira, Anthony H V" uniqKey="Schapira A" first="Anthony H. V." last="Schapira">Anthony H. V. Schapira</name></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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