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. 2023 Apr 28;10:1069651. doi: 10.3389/fnut.2023.1069651

FIGURE 4.

FIGURE 4

Receiver operating characteristic (ROC) curve analysis to assess the predictive value of baseline parameters. (A) ROC curve for predicting the HGS improvement (5% or more) based on the baseline HGS, ASM, and height. (B) ROC curve for predicting the 5TSTS improvement (5% or more) based on baseline Hb and Hct levels. ROC curves in this figure are as drawn smaller test result indicates more positive test. (C) The area under curve (AUC), cut-off values, sensitivity and specificity, and positive and negative predictive values of the test are presented in the table. HGS, handgrip strength; 5TSTS, five-times sit-to-stand test; ASM, appendicular skeletal muscle mass; Hb, hemoglobin; Hct, hematocrit.