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Panel (A) shows the correlation between L3‐mid psoas cross‐sectional area and whole body SKM volume. The correlation coefficient of 0.59 shows medium correlation, and the spread shows considerable variability for the individual‐level assessment based on regression. Panel (B) shows the correlation between whole psoas volume and whole body SKM volume with a larger correlation coefficient of 0.84 and reduced variability for individual‐level assessment.
