Metric attributes of the unified Parkinson's disease rating scale 3.0 battery: Part I, feasibility, scaling assumptions, reliability, and precision.
Identifieur interne : 001672 ( Ncbi/Checkpoint ); précédent : 001671; suivant : 001673Metric attributes of the unified Parkinson's disease rating scale 3.0 battery: Part I, feasibility, scaling assumptions, reliability, and precision.
Auteurs : Pablo Martinez-Martin [Espagne] ; Maria João ForjazSource :
- Movement disorders : official journal of the Movement Disorder Society [ 0885-3185 ] ; 2006.
English descriptors
- KwdEn :
- MESH :
- physiopathology : Parkinson Disease.
- psychology : Parkinson Disease.
- Aged, Disability Evaluation, Facial Expression, Feasibility Studies, Female, Humans, Male, Middle Aged, Reproducibility of Results, Sensitivity and Specificity, Severity of Illness Index, Speech, Time Factors.
Abstract
This article sought to assess the feasibility, scaling assumptions, reliability, precision, and factor analysis of the three most widely used rating scales in Parkinson's disease (PD): modified Hoehn and Yahr (HY), Schwab and England (SE), and Unified Parkinson's Disease Rating Scale (UPDRS). A multicenter sample of 1,136 PD patients was assessed. The percentage of missing data was 8% for SE, HY, and UPDRS mentation, and almost negligible (<2%) for the other UPDRS subscales. A high floor effect was found for UPDRS mentation (23%) and complications scales (36%). Item content validity, measured by multitrait scaling analysis, was adequate for all UPDRS subscales (scaling successes > 90%). Internal consistency coefficients for the UPDRS scales ranged from 0.79 (mentation) to 0.92 (activities of daily living and motor). Factor structure of the UPDRS mentation, activities of daily living, and complications subscales was replicated. As a whole, the HY, SE, and UPDRS are acceptable, consistent, and potentially sensitive rating scales.
DOI: 10.1002/mds.20916
PubMed: 16673397
Affiliations:
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A multicenter sample of 1,136 PD patients was assessed. The percentage of missing data was 8% for SE, HY, and UPDRS mentation, and almost negligible (<2%) for the other UPDRS subscales. A high floor effect was found for UPDRS mentation (23%) and complications scales (36%). Item content validity, measured by multitrait scaling analysis, was adequate for all UPDRS subscales (scaling successes > 90%). Internal consistency coefficients for the UPDRS scales ranged from 0.79 (mentation) to 0.92 (activities of daily living and motor). Factor structure of the UPDRS mentation, activities of daily living, and complications subscales was replicated. As a whole, the HY, SE, and UPDRS are acceptable, consistent, and potentially sensitive rating scales.</div></front></TEI><affiliations><list><country><li>Espagne</li></country><region><li>Communauté de Madrid</li></region><settlement><li>Madrid</li></settlement></list><tree><noCountry><name sortKey="Forjaz, Maria Joao" sort="Forjaz, Maria Joao" uniqKey="Forjaz M" first="Maria João" last="Forjaz">Maria João Forjaz</name></noCountry><country name="Espagne"><region name="Communauté de Madrid"><name sortKey="Martinez Martin, Pablo" sort="Martinez Martin, Pablo" uniqKey="Martinez Martin P" first="Pablo" last="Martinez-Martin">Pablo Martinez-Martin</name></region></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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