Multivariate analysis adjusted for Child-Pugh score, serum sodium, and the setting of cirrhosis, showed that stage 2 AKI, and stage 3 AKI had the high risk of death with RR = 2.96 (95% confidence interval [CI] = 2.00 - 4.37) and RR = 3.35 (95% CI = 2.29 - 4.90), respectively.