Factor | No ICU-acquired infection (n = 217) | ICU-acquired infection (n = 55) | P |
---|---|---|---|
Male sex | 133 (61.3) | 40 (72.7) | 0.12 |
Age years | 57 (46–68) | 57 (45.5–67.5) | 0.63 |
Main reason for admission | |||
Surgical, nontrauma | 73 (34.0) | 25 (45.5) | 0.12 |
Trauma | 18 (8.4) | 16 (29.1) | < 0.001 |
Medical | 96 (44.7) | 8 (14.5) | < 0.001 |
Neurological | 21 (9.8) | 4 (7.3) | 0.8 |
Chronic underlying disease | 148 (68.2) | 33 (60.0) | 0.27 |
Current smoker | 82 (42.7) | 20 (40.8) | 0.87 |
Alcohol abuse | 42 (19.4) | 11 (20.8) | 0.85 |
APACHE II score on admission | 22 (18–28) | 20 (17–27) | 0.44 |
SOFA score on admission | 6.0 (4.0–8.0) | 9.0 (6.0–10.0) | < 0.001 |
SOFA score on ICU discharge | 3.0 (2.0–5.0) | 3.0 (2.0–4.0) | 0.26 |
Infection on admission | 171 (78.8) | 29 (52.7) | < 0.001 |
Community-acquired pneumonia on admission | 59 (27.2) | 5 (9.1) | 0.004 |
Hospital-acquired pneumonia on admission | 32 (14.7) | 7 (12.7) | 0.83 |
Sepsis on admission | 30 (13.8) | 3 (5.5) | 0.11 |
Severe sepsis on admission | 17 (7.8) | 0 (0) | 0.03 |
Septic shock on admission | 37 (17.1) | 16 (29.1) | 0.06 |
LOS in ICU (days) | 3.75 (2.7–5.8) | 10 (6.2–15.8) | < 0.001 |
LOS in hospital, days | 17 (10–26) | 25 (17.5–37) | 0.62 |