Outcomes in patients with and without AKI.

SCr, plasma creatinine; △SCr, the difference between the peak postoperative and baseline plasma creatinine levels; maxSCr, maximum plasma creatinine; RRT, renal replacement therapy; ICU, intensive care unit. aAKI progression defined by worsening of AKIN stage from original diagnosis of AKI. bDefined as percent change in postoperative plasma creatinine from baseline at the time of AKI diagnosis. cProteinuria by dipstick urinalysis, mild (trace or 1+) and heavy (≥2+).