Table 4 Outcomes by RIFLE and AKIN
RIFLE stage | No-AKI | class R | class I | class F | P-value |
|---|---|---|---|---|---|
n (%) | 3,921 (81.1) | 715 (14.8) | 169 (3.5) | 31 (0.64) | Â |
RRT, n (%) | 8 (0.2) | 33 (4.6) | 37 (21.9) | 18 (58.1) | <0.001 |
Mortality, n (%) | 25 (0.64) | 27 (3.8) | 31 (18.3) | 6 (19.4) | <0.001 |
Prolonged intubation (alive), n (%) | 248 (6.4) | 140 (20.3) | 57 (41.3) | 15 (60.0) | <0.001 |
ICU length of stay (alive), hours | 25 (21 to 45) | 46 (23 to 93) | 105 (53 to 192) | 188 (77 to 323) | <0.001 |
Hospital length of stay (alive), days | 6 (5 to 7) | 8 (6 to 11) | 11 (8 to 21) | 18 (10 to 27) | <0.001 |
AKIN stage | No-AKI | stage 1 | stage 2 | stage 3 | P-value |
n (%) | 3,564 (73.7) | 1,141 (23.6) | 57 (1.2) | 74 (1.5) | Â |
RRT, n (%) | 4 (0.1) | 24 (2.1) | 5 (8.8) | 63 (85.1) | <0.001 |
Mortality, n (%) | 19 (0.53) | 30 (2.6) | 7 (12.3) | 33 (44.6) | <0.001 |
Prolonged intubation (alive), n (%) | 211 (6.0) | 204 (18.4) | 17 (34.0) | 28 (68.3) | <0.001 |
ICU length of stay (alive), hours | 25 (22 to 44) | 44 (22 to 90) | 72 (29 to 147) | 210 (120 to 356) | <0.001 |
Hospital length of stay (alive), days | 6 (5 to 7) | 7 (6 to 10) | 10 (7 to 14) | 19 (13 to 27) | <0.001 |