Wolf运动功能测试量表评定卒中患者偏瘫侧上肢功能的效度和信度研究

doi:10.3969/j.issn.1673-5765.2022.03.005

摘要/Abstract

摘要：

目的在卒中伴上肢功能障碍的患者中，评价Wolf运动功能测试（Wolf motor function test，WMFT）量表的效度和信度。

方法本研究招募2020年1月-2021年7月于首都医科大学附属北京天坛医院等3家医院的200例卒中患者，并由两名评定者分别对受试者进行WMFT量表的评估。同时完成Fugl-Meyer运动功能评定量表上肢部分（Fugl -Meyer assessment-upper extremity，FMA-UE）作为校标。分别采用Spearman相关分析及因子分析法评价WMFT量表的校标效度及结构效度；采用Cronbach’s α系数及组内相关系数（intraclass correlation coefficient，ICC）评价WMFT量表的内部及外部信度。

结果以FMA-UE总分为校标，Wolf量表总分与其呈正相关（r =0.904，P <0.001)。在结构效度分析中，本研究提取出2个特征值>1的公因子，其中第一个因子与上肢近端关节有关，第二个因子与手的精细功能及力量有关。内部一致性检验中，评分等级Cronbach’s α系数为0.806，作业时间Cronbach’s α系数为0.958。外部一致性检验中，WMFT量表各项内容时间均数和等级均数的ICC分别为0.990和0.998。

结论 WMFT量表测试上肢功能具有良好的效度和信度，适用于对卒中患者偏瘫侧上肢功能的评定。

文章导读： 本研究表明Wolf运动功能测试量表对卒中患者上肢及手功能评定具有良好的效度和信度，可广泛应用于临床工作。

关键词: 卒中; 上肢功能; 效度; 信度; Wolf运动功能测试量表

Abstract: Objective To evaluate the reliability and validity of Wolf motor function test (WMFT) in evaluating the function of hemiplegic upper limb in stroke patients. Methods From January 2020 to July 2021, 200 patients from three hospitals were recruited in this study. WMFT was used to assess all the patients by two evaluators independently. The Fugl-Meyer assessment-upper extremity scale (FMA-UE) was taken as the calibration. Spearman correlation coefficient and factor analysis were used to evaluate the criterion validity and construct validity of WMFT, respectively. Cronbach’s α coefficient and intraclass correlation coefficient (ICC) analysis were used to evaluate internal consistency and external reliability of WMFT. Results With FMA-UE as the criterion, the FMA-UE total score was correlated with Wolf total score (r =0.904, P <0.001). In construct validity, two factors with eigenvalues greater than 1 were

selected in this study. The first factor was related to the proximal joint of the upper limb, and the

second factor was related to the fine function and strength of the hand. Cronbach's α coefficient of grade score and operation time was 0.806 and 0.958, respectively. In addition, the ICC of the mean time and grade of each content of WMFT were 0.990 and 0.998, respectively. Conclusions WMFT has good reliability and validity. It may be used as a tool to evaluate the function of hemiplegic upper limb in stroke patients.

Key words: Stroke; Upper limb function; Validity; Reliability; Wolf motor function test scale

吴娱倩, 张玉梅, 孟霞, 范小伟, 闫丽清, 王静, 胥芹, 杨程缘. Wolf运动功能测试量表评定卒中患者偏瘫侧上肢功能的效度和信度研究[J]. 中国卒中杂志, 2022, 17(03): 244-250.

WU Yuqian, ZHANG Yumei, MENG Xia, FAN Xiaowei, YAN Liqing, WANG Jing, XU Qin, YANG Chengyuan. Validity and Reliability of Wolf Motor Function Test Scale in Evaluating the Function of Hemiplegic Upper Limb in Stroke Patients[J]. Chinese Journal of Stroke, 2022, 17(03): 244-250.

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