Minimal Important Change for the Visual Analogue Scale Foot and Ankle (VAS-FA)

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Saarinen , A J , Uimonen , M M , Sandelin , H , Toom , A , Richter , M & Repo , J P 2021 , ' Minimal Important Change for the Visual Analogue Scale Foot and Ankle (VAS-FA) ' , Foot and Ankle Surgery , vol. 27 , no. 2 , pp. 196-200 .

Title: Minimal Important Change for the Visual Analogue Scale Foot and Ankle (VAS-FA)
Author: Saarinen, Antti J.; Uimonen, Mikko M.; Sandelin, Henrik; Toom, Alar; Richter, Martinus; Repo, Jussi P.
Contributor organization: HUS Musculoskeletal and Plastic Surgery
Department of Surgery
I kirurgian klinikka (Töölö)
Helsinki University Hospital Area
University of Helsinki
Date: 2021-02
Language: eng
Number of pages: 5
Belongs to series: Foot and Ankle Surgery
ISSN: 1268-7731
Abstract: 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.
Subject: 3126 Surgery, anesthesiology, intensive care, radiology
Minimal clinical change
Patient reported outcome measure
Peer reviewed: Yes
Usage restriction: openAccess
Self-archived version: acceptedVersion

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