A study on optimization of SARC-F screening efficacy for sarcopenia
Objective To explore an optimization method of SARC-F screening efficacy for sarcopenia.Methods From March 2018 to August 2021,the SARC-F scoring scale,Asian Working Group for Sarcopenia 2(AWGS2)and European Working Group on Sarcopenia in Older People 2(EWGSOP2)were used to diagnose sarcopenia in the subjects.Results The prevalence of sarcopenia diagnosed by SARC-F,AWGS2 and EWGSOP2 were 12.78％(52/407),28.26％(115/407)and 31.20％(127/407),respectively.Taking AWGS2 and EWGSOP2 as the gold criteria,the sensitivity of SARC-F ≥4 for screening sarcopenia was 37.39％(43/115)and 35.43％(45/127),and the specificity was 96.92％(283/292)and 97.50％(273/280).Receiver operator characteristic curve showed that the optimal cut-off value of SARC-F was 2 points.The sensitiv-ity of SARC-F≥ 2 for screening sarcopenia was 89.57％(103/115)and 88.98％(113/127),and the specificity was 76.71％(224/292)and 79.29％(222/280).Conclusion SARC-F≥2 may have higher sensitivity for diagnosing sarcopenia and is more suitable for initial screening.
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