Table 1 Characteristics of study patients at ICU admission
From: Hyperoxemia as a risk factor for ventilator-associated pneumonia
VAP | P | ||
|---|---|---|---|
Yes | No | ||
n = 141 | n = 362 | ||
Age, years | 62 (51.5–74) | 57 (46–71) | 0.004 |
Male gender | 102 (72) | 246 (67) | 0.339 |
SAPS II | 53 (41–65) | 45 (33–59) | <0.001 |
LOD score | 6 (3–9) | 5 (2–7) | 0.241 |
McCabe score >2 | 20 (14) | 37 (10) | 0.382 |
Transfer from other wards | 96 (68) | 216 (60) | 0.081 |
Chronic diseases | |||
Diabetes | 16 (11) | 62 (17) | 0.108 |
COPD | 41 (29) | 98 (27) | 0.651 |
Cardiac failure | 34 (24) | 67 (18) | 0.159 |
Cirrhosis | 4 (3) | 14 (4) | 0.576 |
Chronic dialysis | 2 (1) | 10 (3) | 0.375 |
Immunosuppression | 38 (27) | 78 (22) | 0.196 |
Admission category | 0.499 | ||
Medical | 91 (65) | 245 (67) | |
Surgical | 48 (34) | 114 (31) | |
Cause for ICU admission | |||
Acute exacerbation of COPD | 16 (11) | 46 (12) | 0.677 |
ARDS | 22 (15) | 38 (10) | 0.113 |
Pneumonia | 40 (28) | 91 (25) | 0.458 |
Congestive heart failure | 5 (3) | 9 (2) | 0.516 |
Neurologic failure | 16 (11) | 50 (13) | 0.462 |
Poisoning | 16 (11) | 30 (8) | 0.285 |
Shock | 64 (45) | 111 (30) | 0.002a |
Cellulitis | 10 (7) | 48 (13) | 0.052 |
Infection | 97 (69) | 246 (67) | 0.856 |
Prior antimicrobial treatment | 70 (50) | 178 (49) | 0.924 |
PaO2 > 120 mmHg | 95 (67) | 193 (53) | 0.004b |