Table 4 Critical care usage increase with severity of AKI using three scoring systems with patient numbers (percentage of individuals in each category) (Binomial 95% confidence intervals)
RIFLE | AKIN | AKIB | |||
|---|---|---|---|---|---|
Stage | Patients admitted to critical care | Stage | Patients admitted to critical care | Stage | Patients admitted to critical care |
No AKI | 12 (2.2%) | No AKI | 10 (1.8%) | No AKI | 12 (2.1%) |
(1.1 to 3.7) | (0.9 to 3.3) | (1.1 to 3.6) | |||
Risk | 3 (2.9%) | 1 | 5 (4.3%) | 1 | 1 (1.5%) |
(0.6 to 8.2) | (1.4 to 9.7) | (0.0 to 8.2) | |||
Injury | 5 (10.4%) | 2 | 4 (11.8%) | 2 | 7 (11.7%) |
(3.5 to 22.7) | (3.3 to 27.5) | (4.8 to 22.6) | |||
Failure | 4 (20.0%) | 3 | 5 (23.8%) | 3 | 4 (13.3%) |
(5.7 to 43.7) | (8.2 to 47.2) | (3.8 to 30.7) | |||