Baseline demographic and clinical data of patients at the time of acute kidney injury diagnosis stratified by RIFLE stages.

Note: Data were obtained at the time of AKI diagnosis, unless otherwise noted.Abbreviations: RIFLE, Risk, Injury, Failure, Loss, or End-stage kidney disease staging criteria; CVD, cardiovascular diseases; DM, diabetes mellitus; COPD, chronic obstructive pulmonary disease; CKD, chronic kidney disease; Scr, serum creatinine; AKI, acute kidney disease; MAP, mean artery pressure; WBC, white blood cell; ALT, Alanine aminotransferase; AST, Aspartate aminotransferase; CRP, C- reactive protein; APACHE II, Acute Physiology and Chronic Health Evaluation II.