Figure 2From: RIFLE criteria for acute kidney injury are associated with hospital mortality in critically ill patients: a cohort analysisKaplan-Meier curves for survival (inhospital) by maximum RIFLE class. Patients discharged alive were censored. Log-rank statistic, P < 0.001. AKI, acute kidney injury; RIFLEmax, maximum Risk, Injury, Failure, Loss, and End-stage Kidney Disease (RIFLE) class during the intensive care unit stay (days).Back to article page