Fig. 2.

Areas under receiver-operating characteristic curve (AUC) for various measures against SARC-F+. (A) Measures with higher scores indicating a more positive test. (B) Measures with lower scores indicating a more positive test. SARC-F, Strength, Assistance with walking, Rise from a chair, Climb stairs and Falls; AMT, Abbreviated Mental Test; CCI, Charlson Comorbidity Index; CFS, Clinical Frailty Scale; IADL, instrumental activities of daily living; MBI, Modified Barthel Index; ROC, receiver operating characteristic; Sens, sensitivity; Spec, specificity; NPV, negative predictive value; PPV, positive predictive value; CI, confidence interval.