Table 2. Outcomes of hospitalized AKI patients stratified by AKD stage.
| Outcomes | All patients N = 2556 n(%) |
AKD stage 0 N = 1395 n(%) |
AKD stage 1 N = 433 n(%) |
AKD stage 2–3 N = 728 n(%) |
P value* |
|---|---|---|---|---|---|
| Major Adverse Kidney Events within 30 days | |||||
| PRD | 561 (21.9%) | 19 (1.4%) | 40 (9.2%)a | 502 (69.0%)a,b | <0.001 |
| New RRT | 66 (2.6%) | 3 (0.2%) | 6 (1.4%) | 57 (7.8%)a,b | <0.001 |
| Mortality | 260 (10.2%) | 72 (5.2%) | 41 (9.5%)a | 147 (20.2%)a,b | <0.001 |
| Total | 684 (26.8%) | 92 (6.6%) | 75 (17.3%)a | 517 (71.0%)a,b | <0.001 |
| One-year adverse outcomes | |||||
| Chronic dialysis | 26 (1.1%) | 4 (0.3%) | 1 (0.2%) | 21 (3.0%)a,b | <0.001 |
| Mortality | 461 (18.0%) | 167 (12.0%) | 72 (16.6%) | 222 (30.5%)a,b | <0.001 |
| Total | 486 (19.0%) | 171 (12.3%) | 73 (16.9%) | 242 (33.2%)a,b | <0.001 |
Notes.
- AKI
- acute kidney injury
- AKD
- acute kidney disease
- PRD
- persistent renal dysfunction
- RRT
- renal replacement therapy
*
Comparison was made among AKD stage 0, 1 and 2–3.
a
P < 0.05 compared with AKD stage 0.
b
P < 0.05 compared with AKD stage 1.