Fig. 2From: Usefulness of the skeletal muscle index in postoperative ileus of colorectal cancer patients: a retrospective cohort studyLength of hospital stay. ■: POI, □: Non-POI. Patients with POI had significantly longer postoperative hospital stays (mean ± SD = 20 ± 18.7) than non-onset patients (mean ± SD = 14.6 ± 8.1, P = 0.015). POI postoperative ileusBack to article page