足踝视觉模拟量表（VAS-FA）的最小重要变化。
Minimal important change for the visual analogue scale foot and ankle (VAS-FA).
机构信息
Department of Paediatric Orthopaedic Surgery, University of Turku and Turku University Hospital, Turku, Finland.
Department of Surgery, Central Finland Hospital District, Jyväskylä, Finland.
出版信息
Foot Ankle Surg. 2021 Feb;27(2):196-200. doi: 10.1016/j.fas.2020.04.005. Epub 2020 Apr 27.
BACKGROUND
Visual analogue scale foot and ankle (VAS-FA) is a patient-reported outcome measure for foot and ankle disorders. The VAS-FA is validated into several languages and well adopted into use. Nonetheless, minimal important change (MIC) for the VAS-FA has not been estimated thus far.
METHODS
The VAS-FA score was obtained from 106 patients undergoing surgery for various foot and ankle complaints. MIC was estimated using an anchor-based predictive method.
RESULTS
The adjusted MIC was 6.8 for total VAS-FA score, and 9.3 for the Pain, 5.8 for the Function, and 5.7 for the Other complaints subscales. The VAS-FA score was found to separate improvement and deterioration in patients' foot and ankle condition.
CONCLUSIONS
MIC was successfully defined for the VAS-FA in the current study. The VAS-FA can be used to evaluate foot and ankle patients' clinical foot and ankle status and its change. Further research on estimating disease-specific MICs is recommended.
背景
视觉模拟量表足部和踝关节（VAS-FA）是一种用于足部和踝关节疾病的患者报告结局测量工具。VAS-FA 已被验证为多种语言，并被广泛采用。然而，迄今为止，VAS-FA 的最小临床重要差异（MIC）尚未确定。
方法
从 106 名因各种足部和踝关节疾病接受手术的患者中获得 VAS-FA 评分。使用基于锚定的预测方法估计 MIC。
结果
总 VAS-FA 评分的调整后 MIC 为 6.8，疼痛、功能和其他抱怨子量表的 MIC 分别为 9.3、5.8 和 5.7。VAS-FA 评分可区分患者足部和踝关节状况的改善和恶化。
结论
本研究成功定义了 VAS-FA 的 MIC。VAS-FA 可用于评估足部和踝关节患者的临床足部和踝关节状况及其变化。建议进一步研究估计特定疾病的 MIC。
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