Effect of methylprednisolone versus placebo on the risk of acute kidney injury in a subsample of patients with serial postoperative serum creatinine assessments (restricted to the 4824 patients who were randomly assigned on or after Mar. 1, 2012). Effect of methylprednisolone versus placebo on the risk of acute kidney injury in a subsample of patients with serial postoperative serum creatinine assessments (restricted to the 4824 patients who were randomly assigned on or after Mar. 1, 2012) Amit X. Garg et al. CMAJ 2019;191:E247-E256 ©2019 by Canadian Medical Association