Table 2.
Severity of disease scores, PACU and hospital length of stay, and mortality
| Variable |
All patients (n = 1166) |
AKI (n = 87) |
Non AKI (n = 1079) |
P |
| SAPS II, median (IQR) | 18 (12 to 25) | 29 (20 to 45) | 18 (12 to 24) | < 0.001 |
| APACHE II, median (IQR) | 8 (5 to 11) | 12 (8 to 17) | 7 (5 to 10) | < 0.001 |
| PACU length of stay (hours), median (IQR) | 25 (21 to 46) | 38 (22 to 72) | 25 (21 to 44) | < 0.001 |
| Hospital length of stay (days), median (IQR) | 13 (7 to 28) | 16 (8 to 32) | 13 (7 to 28) | 0.793 |
| Mortality in PACU, n (%) | 23 (2.0) | 17 (17.2) | 8 (0.7) | < 0.001 |
| Mortality in hospital, n (%) | 50 (4.3) | 23 (26.4) | 27 (2.5) | < 0.001 |
| Mortality at six months follow-up, n (%) | 134 (11.5) | 31 (35.6) | 103 (9.5) | < 0.001 |
AKI = acute kidney injury; APACHE II = Acute Physiology and Chronic Health Evaluation; IQR = interquartile range; PACU = post anesthesia care unit; SAPS II = Simplified Acute Physiology Score.