Figure 2

Predicted total, arm, and leg skeletal muscle (SM) mass versus corresponding value measured with MRI in the validation sample (n = 47 women; 48 men) on the left (A,C,E) and associated Bland–Altman plots on the right (B,D,F). The regression equations, lines, R2s, and 95% limits of agreement (LOA) are shown in the figures. The statistical significance of each panel is summarized in the text.