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Rating scales for dystonia: a multicenter assessment.

Identifieur interne : 000A18 ( Ncbi/Curation ); précédent : 000A17; suivant : 000A19

Rating scales for dystonia: a multicenter assessment.

Auteurs : Cynthia L. Comella [Arabie saoudite] ; Sue Leurgans ; Joanne Wuu ; Glenn T. Stebbins ; Teresa Chmura

Source :

Movement disorders : official journal of the Movement Disorder Society [ 0885-3185 ] ; 2003.

RBID : pubmed:12621634

English descriptors

KwdEn :
- Dystonia (diagnosis), Female, Humans, Male, Middle Aged, Observer Variation, Reproducibility of Results, Severity of Illness Index, Videotape Recording.
MESH :
- diagnosis : Dystonia.
- Female, Humans, Male, Middle Aged, Observer Variation, Reproducibility of Results, Severity of Illness Index, Videotape Recording.

Abstract

The evaluation of dystonia requires a reliable rating scale. The widely used Fahn-Marsden Scale (F-M) has not been sufficiently tested across multiple centers and investigators. The Dystonia Study Group developed the Unified Dystonia Rating Scale (UDRS) and a Global Dystonia Rating Scale (GDS) to serve as instruments to assess dystonia severity. In this study, 25 dystonia experts evaluated the UDRS, F-M, and GDS for internal consistency and reliability. One hundred dystonia patients were videotaped using a standardized videotape protocol. Each examiner rated 20 patients using the UDRS, F-M, and GDS in random order. The examiner then assessed each scale for ease of use. Statistical analysis used Cronbach's alpha, intraclass correlation coefficients (ICC), generalized weighted kappa statistic, and Kendall's coefficient of concordance. The UDRS, F-M, and GDS showed excellent internal consistency (Cronbach's alpha 0.89-0.93) and good to excellent correlation among the raters (ICC range from 0.71-0.78). Inter-rater agreement was fair to excellent (Kendall's 0.54-0.87; kappa 0.37-0.91) being lowest for eyes, jaw, face, and larynx. The modifying ratings (Duration in the UDRS and Provoking Factor in the F-M) showed less agreement than the motor severity ratings. Among scales, the total scores correlated (Pearson's r, 0.977-0.983). Overall, 74% of raters found the GDS the easiest to apply. The GDS with its simplicity and ease of application may be the most useful dystonia rating scale.

DOI: 10.1002/mds.10377
PubMed: 12621634

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Le document en format XML

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<author><name sortKey="Comella, Cynthia L" sort="Comella, Cynthia L" uniqKey="Comella C" first="Cynthia L" last="Comella">Cynthia L. Comella</name>
<affiliation wicri:level="1"><nlm:affiliation>Rush-Presbyterian-St. Lukes Medical Center, Suite 755, 1725 West Harrison, Chicago, IL 60612, ccomella@rush.eduUSA.</nlm:affiliation>
<country wicri:rule="url">Arabie saoudite</country>
<wicri:regionArea>Rush-Presbyterian-St. Lukes Medical Center, Suite 755, 1725 West Harrison, Chicago, IL 60612</wicri:regionArea>
<wicri:noRegion>IL 60612</wicri:noRegion>
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<author><name sortKey="Leurgans, Sue" sort="Leurgans, Sue" uniqKey="Leurgans S" first="Sue" last="Leurgans">Sue Leurgans</name>
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<author><name sortKey="Wuu, Joanne" sort="Wuu, Joanne" uniqKey="Wuu J" first="Joanne" last="Wuu">Joanne Wuu</name>
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<author><name sortKey="Stebbins, Glenn T" sort="Stebbins, Glenn T" uniqKey="Stebbins G" first="Glenn T" last="Stebbins">Glenn T. Stebbins</name>
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<author><name sortKey="Chmura, Teresa" sort="Chmura, Teresa" uniqKey="Chmura T" first="Teresa" last="Chmura">Teresa Chmura</name>
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<author><name sortKey="Comella, Cynthia L" sort="Comella, Cynthia L" uniqKey="Comella C" first="Cynthia L" last="Comella">Cynthia L. Comella</name>
<affiliation wicri:level="1"><nlm:affiliation>Rush-Presbyterian-St. Lukes Medical Center, Suite 755, 1725 West Harrison, Chicago, IL 60612, ccomella@rush.eduUSA.</nlm:affiliation>
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<author><name sortKey="Wuu, Joanne" sort="Wuu, Joanne" uniqKey="Wuu J" first="Joanne" last="Wuu">Joanne Wuu</name>
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<author><name sortKey="Stebbins, Glenn T" sort="Stebbins, Glenn T" uniqKey="Stebbins G" first="Glenn T" last="Stebbins">Glenn T. Stebbins</name>
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<author><name sortKey="Chmura, Teresa" sort="Chmura, Teresa" uniqKey="Chmura T" first="Teresa" last="Chmura">Teresa Chmura</name>
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<series><title level="j">Movement disorders : official journal of the Movement Disorder Society</title>
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<term>Male</term>
<term>Middle Aged</term>
<term>Observer Variation</term>
<term>Reproducibility of Results</term>
<term>Severity of Illness Index</term>
<term>Videotape Recording</term>
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<keywords scheme="MESH" qualifier="diagnosis" xml:lang="en"><term>Dystonia</term>
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<keywords scheme="MESH" xml:lang="en"><term>Female</term>
<term>Humans</term>
<term>Male</term>
<term>Middle Aged</term>
<term>Observer Variation</term>
<term>Reproducibility of Results</term>
<term>Severity of Illness Index</term>
<term>Videotape Recording</term>
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<front><div type="abstract" xml:lang="en">The evaluation of dystonia requires a reliable rating scale. The widely used Fahn-Marsden Scale (F-M) has not been sufficiently tested across multiple centers and investigators. The Dystonia Study Group developed the Unified Dystonia Rating Scale (UDRS) and a Global Dystonia Rating Scale (GDS) to serve as instruments to assess dystonia severity. In this study, 25 dystonia experts evaluated the UDRS, F-M, and GDS for internal consistency and reliability. One hundred dystonia patients were videotaped using a standardized videotape protocol. Each examiner rated 20 patients using the UDRS, F-M, and GDS in random order. The examiner then assessed each scale for ease of use. Statistical analysis used Cronbach's alpha, intraclass correlation coefficients (ICC), generalized weighted kappa statistic, and Kendall's coefficient of concordance. The UDRS, F-M, and GDS showed excellent internal consistency (Cronbach's alpha 0.89-0.93) and good to excellent correlation among the raters (ICC range from 0.71-0.78). Inter-rater agreement was fair to excellent (Kendall's 0.54-0.87; kappa 0.37-0.91) being lowest for eyes, jaw, face, and larynx. The modifying ratings (Duration in the UDRS and Provoking Factor in the F-M) showed less agreement than the motor severity ratings. Among scales, the total scores correlated (Pearson's r, 0.977-0.983). Overall, 74% of raters found the GDS the easiest to apply. The GDS with its simplicity and ease of application may be the most useful dystonia rating scale.</div>
</front>
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	Movement Disorders (revue)
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Movement Disorders (revue)

Rating scales for dystonia: a multicenter assessment.

Rating scales for dystonia: a multicenter assessment.

Source :

English descriptors

Abstract

Links toward previous steps (curation, corpus...)

Links to Exploration step

Le document en format XML

Pour manipuler ce document sous Unix (Dilib)

Pour mettre un lien sur cette page dans le réseau Wicri

Pour générer des pages wiki