目的 检验功能性步态评价(FGA)在帕金森病患者中的结构效度和同时效度。方法 2011年3月至12月,住院帕金森病患者121例(平均年龄61.9岁)行FGA评定,同时采用Berg平衡量表、功能性步态分级、计时起立-走测验、特异性活动平衡自信量表、运动障碍学会统一帕金森病评定量表第3部分、改良Barthel指数、最大步行速度和改良Hoehn and Yahr量表进行评定。采用主成分法正交旋转法分析其结构效度,计算FGA与其他评价方法之间的相关性分析同时效度。结果 FGA提取到1个公因子,解释总变异64.0%;FGA与其他评价之间的相关系数0.57~0.85。结论 FGA在帕金森病患者中效度较好。
Objective To investigate the construct and concurrent validity of the Functional Gait Assessment (FGA) as the measure for balance and gait during walking in Parkinson's disease patients. Methods From March to December, 2011, 121 patients with Parkinson's disease (mean aged 61.9 years) were evaluated with FGA by one rater, as well as the other scales for balance and gait, such as Berg Balance Scale, Functional Ambulation Category, Timed Up and Go Test, Activities-specific Balance Confidence Scale, Movement Disorders Society revision of the Unified Parkinson's Disease Rating Scale part 3, modified Barthel Index, maximum walking speed and Modified Hoehn and Yahr Scale. Principal Component Analysis was used to determine construct validity. Spearman correlation coefficients between the FGA and other measures were used to determine concurrent validity. Results One common factor was extracted, which cumulatively explained 64.0% of the total variance. The FGA correlated moderately with the other measures (r = 0.57-0.85). Conclusion FGA is good in validity for Parkinson's disease patients.
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