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Kaplan-Meier curves of the time to recurrent biliary obstruction (TRBO) in the normal skeletal muscle index (SMI) group (solid line) and low SMI group (dotted line). Median TRBO was not reached in the normal SMI group and was 112 days in the low SMI patients, which was significantly longer in the normal SMI group than in the low SMI group (the log-rank test, p=0.004).
