Table 2.
Variables significantly associated with mortality (univariate analysis)
| Factor | Survivors | Non-survivors | P | OR (95% CI) |
| (n = 247) | (n = 67) | |||
| Non-urgent postoperative patients | 43 | 4 | 0.01 | 2.97 (1.10-7.93) |
| SAPS > 9 | 165 | 60 | 0.001 | 3.68 (1.68-8.06) |
| ARDS | 36 | 34 | 0.001 | 6.03 (3.33-10.95) |
| APACHE II > 20 on admission | 41 | 28 | 0.001 | 3.50 (1.94-6.30) |
| MOF | 45 | 48 | 0.001 | 10.72 (5.80-19.80) |
| Bacteremia | 36 | 22 | 0.001 | 2.86 (1.54-5.32) |
| Coma | 32 | 17 | 0.01 | 2.23 (1.148-4.32) |
| Shock | 36 | 17 | 0.05 | 1.99 (1.03-3.83) |
| NP | 54 | 28 | 0.001 | 2.48 (1.40-4.39) |
ARDS = adult respiratory distress syndrome; CI = confidence interval; MOF = multiple organ failure; NP = nosocomial pneumonia; OR = odds ratio.