Relation between AKI and hospitals stays Stage Non-AKI (n=127) I (n=88) II (n=22) III (n=10) p ICU stay (days) 2, 44±1, 08 3, 57±3, 40 5, 09±4, 98 6, 00±3, 71 <0, 001 Postoperative stay (days) 14, 02±7, 57 16, 86±8, 62 20, 36±10, 37 27, 90±12, 5 <0, 01 Total hospital stay (days) 27, 89±12, 9 28, 47±13, 8 33, 77±19, 5 37, 8±24, 2 < 0, 05 - The ICU and postoperative stay were longer in the AKI group than those of non-AKI; and increased according to the severity of AKI Table 3.13.