Table 1.
Characteristics of the 314 patients studied
| Number of non-NP patients (n = 232) | Number of NP patients (n = 82) | |
| Age | 57.38 ± 16.24 | 50.77 ± 18.38 |
| Sex (male/female) | 144/88 | 70/12 |
| Diagnostic category (%) | ||
| Medical | 132 (57) | 28 (34.14) |
| Trauma | 17 (7.3) | 25 (30.48) |
| Surgical | 83 (35.7) | 29 (35.36) |
| APACHE II | ||
| On admission | 15.3 ± 6.7 | 17.96 ± 6.96 |
| On diagnosis of NP | N/A | 19.63 ± 7.10 |
| SAPS | ||
| On admission | 11.38 ± 5 | 13.46 ± 5.85 |
| On diagnosis of NP | N/A | 14.91 ± 3.46 |
| PO2/FiO2 | ||
| On admission | 311.2 ± 152.6 | 261.47 ± 140.49 |
| On diagnosis of NP | N/A | 146.55 ± 61.29 |
| McCabe score (%) | ||
| Non-fatal | 137 (59.02) | 55 (67.07) |
| Ultimately fatal | 93 (40.9) | 26 (31.70) |
| Fatal | 2 (0.08) | 1 (0.012) |
| COPD | 16 (7) | 7 (13.46) |
| Corticosteroids therapy | 34 (14.65) | 14 (17.07) |
| Coma | 33 (14.2) | 16 (19.51) |
| Length of ICU stay | 14.5 ± 11.1 | 20.07 ± 18.17 |
| Length of MV | 11.03 ± 10.3 | 20.76 ± 18.80 |
COPD = chronic obstructive pulmonary disease; MV = mechanical ventilation; NP = nosocomial pneumonia; SAPS = simplified acute physiology score.