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Survival curves in (A) male and (B) female patients with high and low psoas muscle index. Survival over time was estimated using Kaplan–Meier curves, and the curves were compared using the log‐rank test. Longer survival was observed in patients with high psoas muscle index (PMI) compared with the patients with low PMI (log rank, P = 0.02 and P = 0.002 in men and women, respectively).
