HSPA12B and sarcopenia: Receiver operating characteristic curve analysis indicated that the optimal cut-off value of serum HSPA12B level for predicting sarcopenia was 185.50 ng/mL, with a sensitivity of 52.6% and a specificity of 80.8% (area under curve = 0.742, 95% confidence interval [CI] = 0.711–0.772, P < 0.001).