Table 4.

AKI and ACRF outcomes: Effect of RIFLE

CharacteristicAKI GroupACRF Group
AllRIFPAllR-ACRFI-ACRFFcP
n47410523313688121858
In-hospital mortality (n [%])155 (33)28 (27)71 (30)56 (41)0.03535 (40)3 (25)8 (44)24 (41)0.517
90 d mortality (n [%])196 (41)37 (35)94 (40)65 (48)0.13243 (49)4 (33)11 (61)28 (48)0.325
6-mo mortality (n [%])236 (50)48 (46)112 (48)76 (56)0.22455 (63)4 (33)14 (78)37 (64)0.045
Full renal recovery (n [%])321 (68)75 (71)176 (75)70 (51)<0.00131 (35)6 (50)9 (50)16 (28)0.113
RRT required (n [%])37 (8)1 (1)7 (3)29 (21)<0.00111 (13)0 (0)1 (6)10 (18)0.150
Referred to nephrologist (n [%])119 (25)15 (14)41 (18)63 (46)<0.00145 (51)8 (67)6 (33)31 (53)0.168
RRT received among referred (n [%])36 (30)1 (7)7 (17)28 (44)0.00110 (22)0 (0)1 (17)9 (29)0.222
RRT received among not referred (n [%])1 (0.3)0 (0)0 (0)1 (1)0.2061 (2)0 (0)0 (0)1 (4)1.000
Hospital stay (d; median [IQR])17.0 (9.0 to 33.0)13.0 (7.5 to 28.0)18.5 (9.0 to 33.0)18.5 (9.0 to 40.8)0.04712.5 (5.3 to 26.0)21.0 (14.0 to 25.8)8.0 (2.0 to 21.3)12.0 (5.8 to 27.5)0.067
Hospital stay (d; median [IQR])a19.0 (10.0 to 33.0)12.5 (7.3 to 26.8)19.0 (12.0 to 34.0)24.5 (13.3 to 45.5)0.00115.5 (8.3 to 26.0)21.0 (15.0 to 24.0)13.0 (3.5 to 24.0)14.0 (7.5 to 26.3)0.486
  • a Excluding those who died during admission.