Risk of postoperative 30-day mortality and complications among surgical patients with peritoneal or hemodialysis versus controls.*

*Adjusted for age, sex, teaching hospital, coexisting disease and type of surgery and anesthesia.†The highest quintile of length of stay during the surgical admission (the patient percentage for each group belonging to the highest quintile of length of stay [≥18 days] of the total patients as percentage of increased length of stay).OR, odds ratio; CI, confidence interval; ICU, intensive care unit.