期刊
ARCHIVES OF NEUROLOGY
卷 67, 期 1, 页码 64-70出版社
AMER MEDICAL ASSOC
DOI: 10.1001/archneurol.2009.295
关键词
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资金
- Rosalyn Newman Foundation
Objective: To determine the estimates of minimal, moderate, and large clinically important differences (CIDs) for the Unified Parkinson's Disease Rating Scale (UPDRS). Design: Cross-sectional analysis of the CIDs for UPDRS total and motor scores was performed on patients with Parkinson disease (PD) using distribution-and anchor-based approaches based on the following 3 external standards: disability (10% on the Schwab and England Activities of Daily Living Scale), disease stage (1 stage on the Hoehn and Yahr Scale), and quality of life (1 SD on the 12-Item Short Form Health Survey). Setting: University of Maryland Parkinson Disease and Movement Disorders Center, Patients: Six hundred fifty-three patients with PD. Results: A minimal CID was 2.3 to 2.7 points on the UPDRS motor score and 4.1 to 4.5 on the UPDRS total score. Amoderate CID was 4.5 to 6.7 points on the UPDRS motor score and 8.5 to 10.3 on the UPDRS total score. A large CID was 10.7 to 10.8 points on the UPDRS motor score and 16.4 to 17.8 on the UPDRS total score. Conclusions: Concordance among multiple approaches of analysis based on subjective and objective data show that reasonable estimates for the CID on the UPDRS motor score are 2.5 points for minimal, 5.2 for moderate, and 10.8 for large CIDs. Estimates for the UPDRS total score are 4.3 points for minimal, 9.1 for moderate, and 17.1 for large CIDs. These estimates will assist in determining clinically meaningful changes in PD progression and response to therapeutic interventions.
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