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ROC curves to identify the optimal phase angle cut-off for detecting sarcopenia in male (A) and female (B)
A. The optimal cut-off value is 4.76° in male (sensitivity 0.80, specificity 0.79, AUC 0.85, 95% confidence interval 0.79–0.89, p<0.001). B. The optimal cut-off value is 4.11° in female (sensitivity 0.74, specificity 0.83, AUC 0.85, 95% confidence interval 0.80–0.90, p<0.001).
