期刊
ARCHIVES OF PHYSICAL MEDICINE AND REHABILITATION
卷 84, 期 11, 页码 1669-1674出版社
W B SAUNDERS CO
DOI: 10.1053/S0003-9993(03)00348-4
关键词
balance; Parkinson disease; outcome assessment; (health care); rehabilitation; reliability and validity
Objective: To determine which test for postural instability in Parkinson's disease (PD) is reliable, valid, and easy to perform in a clinical setting. Design: Cross-sectional reliability and validity study. Setting: Academic center for movement disorders. Participants: Forty-two patients with PD and 15 controls. Based on the results of a structured interview, the patients were divided in PD-unstable (n=22) and PD-stable (n=20) groups. Interventions: Not applicable. Main Outcome Measures: Several variants of the retropulsion test with differences in execution and scoring. Responses were scored on 5 different rating scales (ratings of Nutt, Bloem, Pastor; the Unified Parkinson's Disease Rating Scale [UPDRS]; the Short Parkinson Evaluation Scale). These tests were compared with steady-stance positions. Results: The interrater reliability was high for most ratings, with weighted kappa ranging from .63 for the UPDRS to .98 for both the Pastor rating and steady-stance positions. Most ratings distinguished between the groups. However, the Nutt rating had the highest overall predictive accuracy, with a sensitivity of .63 and a specificity of .88. Conclusions: The most valid test for postural stability in PD was an unexpected shoulder pull, executed once, with taking more than 2 steps backward considered abnormal. This retropulsion test is easy to use in a clinical setting.
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