Demographic and clinical characteristics of patients with AHF according to the development of AKI by RIFLE, AKIN, KDIGO definitions during hospitalization.

AHF: acute heart failure; AKI: acute kidney injury; BP: blood pressure; eGFR: estimated glomerular filtration rate; LVEF: left ventricular eject fraction; ACEI: angiotensin converting enzyme inhibitor; ARB: angiotensin receptor blocker; RRT: renal replacement therapy; LOS: length of stay; ICU: intensive care unit.*:compared with NO-AKI group, PDemographic and clinical characteristics of patients with AHF according to the development of AKI by RIFLE, AKIN, KDIGO definitions during hospitalization.