Fig. 2From: The KDIGO acute kidney injury guidelines for cardiac surgery patients in critical care: a validation studyKaplan Meier plots stratified according to the KDIGO criteria met for the maximum stage of AKI attained up to AKI-2. A separate group of patients who went straight to AKI-3 is shown for comparison. AKI – Acute Kidney Injury, UO – urine output, sCr – serum creatinineBack to article page