Table 2.
Characteristics of patients with AKI according to two different criteria
| Variables | KDIGO AKI Criteria | Expanded Criteria |
|---|---|---|
| N | 22 | 35 |
| AKI occurrence on admission | 3/22 (13.6%) | 13/35 (37.1%) |
| AKI occurrence during hospital stay | 19/22 (86.4%) | 22/35 (62.9%) |
| Classification | ||
| Prerenal AKI | 0/22 (0%) | 2/35 (5.7%) |
| Rhabdomyolysis-induced AKI | 4/22 (18.2%) | 4/35 (11.4%) |
| Suspected intrinsic AKI | 18/22 (81.8%) | 29/35 (82.9%) |
| AKI stage | ||
| 1 | 4/22 (18.2%) | 16/35 (45.7%) |
| 2 | 7/22 (31.8%) | 8/35 (22.9%) |
| 3 | 11/22 (50.0%) | 11/35 (31.4%) |
| AKI recovery (total) | 4/22 (18.2%) | 16/35 (45.7%) |
| Prerenal AKI recovery | — | 2/2 (100%) |
| Rhabdomyolysis-induced AKI recovery | 1/4 (25%) | 1/4 (25%) |
| Suspected intrinsic AKI recovery | 3/18 (16.7%) | 13/29 (44.8%) |
| Stage 1 recovery | 1/4 (25.0%) | 12/16 (75.0%) |
| Stage 2 recovery | 3/7 (42.9%) | 4/8 (50.0%) |
| Stage 3 recovery | 0/11 (0%) | 0/11 (0%) |
| The mean time for AKI recovery | 6 (5–8)a | 6 (5–11)a |
| Total death | 19/22 (86.4%) | 20/35 (57.1%) |
| Death in prerenal AKI | 0/0 (0%) | 0/2 (0%) |
| Death in rhabdomyolysis-induced AKI | 3/4 (75.0%) | 3/4 (75.0%) |
| Death in suspected intrinsic AKI | 16/18 (88.9%) | 17/29 (58.6%) |
| Death in AKI stage 1 | 3/4 (75.0%) | 4/16 (25.0%) |
| Death in AKI stage 2 | 6/7 (85.7%) | 6/8 (75.0%) |
| Death in AKI stage 3 | 10/11 (90.9%) | 10/11 (90.9%) |
Data are presented as number and percentage.
a
The unit of mean time for AKI recovery is day.