Baseline characteristics and renal function of 2,804 patients underwent cardiac surgery.

IQR – interquartile ranges; CVS – cardiac valve surgery; IE – infective endocarditis; LV – left ventricular; SCr – serum creatinine; eGFR – estimated glomerular filtration rate; PO – postoperative; ICU – intensive care unit. *The percentages are related to cardiac valve surgery patients; **The percentages are related to coronary artery bypass grafting patients.