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Comparative Study
. 2024 Dec;39(6):1396-1405.
doi: 10.1002/ncp.11204. Epub 2024 Sep 30.

Comparison of diagnostic accuracy of the SARC-F, SARC-CalF, and Ishii tests for diagnosis of sarcopenia in hospitalized older patients: A cross-sectional study

Ahmet Yalcin  1 , Busra Gokce  2 , Gorkem Turhan  2 , Volkan Atmis  1 , Oguzcan Gumuscubuk  1 , Murat Varli  1
Affiliations
Comparative Study

Comparison of diagnostic accuracy of the SARC-F, SARC-CalF, and Ishii tests for diagnosis of sarcopenia in hospitalized older patients: A cross-sectional study

Ahmet Yalcin et al. Nutr Clin Pract. 2024 Dec.

Abstract

Background: Several screening tools have been developed to identify sarcopenia. However, data on the use of these screening tools in hospital settings are limited. This study assessed the diagnostic accuracy of three screening methods-strength, assistance walking, rising from a chair, climbing stairs, and falls (SARC-F); SARC-F combined with calf circumference (SARC-CalF); and the Ishii tests-for detecting sarcopenia in older individuals who are hospitalized.

Methods: This study included 204 older people who were hospitalized. Sarcopenia was assessed relative to the diagnostic criteria established by the European Working Group on Sarcopenia in Older People 2 (EWGSOP2). Muscle mass, muscle strength, and physical performance were evaluated using bioimpedance analysis, handgrip strength, and usual gait speed, respectively. Sensitivity and specificity analyses were conducted for the SARC-F, SARC-CalF, and Ishii tests to determine their effectiveness. Receiver operating characteristics curves were generated, and the area under curve was calculated to compare the overall diagnostic accuracy of the SARC-F, SARC-CalF, and Ishii tests.

Results: The SARC-F, SARC-CalF, and Ishii tests demonstrated sensitivities of 72%, 88.6%, and 93.5%, respectively, and specificities of 41%, 78.5%, and 30.3%, respectively.

Conclusions: SARC-CalF demonstrates the highest performance in terms of sensitivity and specificity compared with the other two tests, making it a valuable tool for detecting sarcopenia in hospital settings. In contrast, the Ishii test exhibits high sensitivity but low specificity within this population. Based on our results, we found that SARC-CalF can be used as a simple, effective test for identifying sarcopenia in older patients in the hospital setting.

Keywords: SARC‐CalF; hospital; older individuals; sarcopenia.

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