Outcome All cases N=354 DO2 < 280 mL/min/m2 N= 181 DO2 ≥ 280 mL/min/m2 N= 173 P Any AKI 75 (21.2%) 54 (29.8%) 21 (12.1%) 0.001 AKI stage 1 31 (8.8%) 23 (12.7%) 8 (4.6%) 0.007 AKI stage 2-3 44 (12.4%) 31 (17.1%) 13 (7.5%) 0.006