Table 3 RIFLE classification of postoperative acute renal injury
From: Acute kidney injury in septua- and octogenarians after cardiac surgery
Septuagenarians (n = 299) | Octogenarians (n = 299) | |||
|---|---|---|---|---|
Stage | n; % | 30-Day mortality (n; %) | n; % | 30-Day mortality (n; %) |
No AKI | 149; 49.6% | 4; 2.7% | 126; 42.3% | 6; 4.8% |
Risk | 87; 29.2% | 5; 5.7% | 109; 36.3% | 6; 5.5% |
Injury | 49; 16.9% | 5; 10.2% | 49; 16.4% | 5; 10.2% |
Failure | 14; 4.8% | 4; 28.6% | 15; 5.0% | 6; 40% |