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Quantitative Static and Dynamic Assessment of Balance Control in Stroke Patients
Published on: May 17, 2020
Accuracy of four sarcopenia screening methods in patients with chronic stroke in Thailand: a cross-sectional study
Kannanat Laosuwan1, Ratana Vichiansiri1, Charoonsak Somboonporn2
1Department of Rehabilitation Medicine, Faculty of Medicine, Khon Kaen University, Khon Kaen, Thailand.
Aims:
The aim of this study was to evaluate the accuracy of screening tools for sarcopenia and to determine whether the same or different cutoff points should be applied in patients with chronic stroke.
Materials And Methods:
Sixty-eight participants with residual hemiparetic deficit for over 6 months were enrolled. We evaluated the accuracy of calf circumference, SARC-F questionnaire, SARC-CalF, and Ishii's score chart using the Asia Working Group for Sarcopenia (AWGS) 2019 revised criteria as the gold standard.
Results:
Sarcopenia was identified in 22 participants (32.4%) based on the AWGS criteria. Overall, SARC-F showed the lowest diagnostic accuracy. The Area Under the receiver operating characteristic Curves (AUC) of calf circumference, SARC-F, SARC-CalF, and Ishii's score chart were 0.77 (95% confidence interval [CI], 0.66-0.88), 0.58 (95% CI, 0.42-0.74), 0.75 (95% CI, 0.62-0.87), and 0.78 (95% CI, 0.65-0.90), respectively. The mean AUC of SARC-F was inferior to SARC-CalF (0.58 vs. 0.75, p = 0.035).
Conclusions:
The accuracy and diagnostic properties of calf circumference, SARC-CalF, and Ishii's score chart were comparable (mean AUC of 0.77, 0.75, and 0.78, respectively). SARC-F showed the lowest accuracy (mean AUC = 0.58). The recommended screening tools are calf circumference, SARC-CalF, and Ishii's score chart. It is not recommended to rely solely on SARC-F for screening sarcopenia after stroke. We proposed potential new cutoff points for each screening instrument, including SARC-F, SARC-CalF, calf circumference in women, and Ishii's score chart for both men and women.
