Table 1 Baseline characteristics of patients at ICU admission
From: Polymicrobial intensive care unit-acquired pneumonia: prevalence, microbiology and outcome
Monomicrobial pneumonia n = 215 | Polymicrobial pneumonia n = 41 | P value | |
|---|---|---|---|
Age, years | 63 ± 16 | 60 ± 17 | 0.34 |
Sex, male, n (%) | 155 (72) | 31 (76) | 0.64 |
APACHE-II score | 17 ± 6 | 18 ± 6 | 0.52 |
SAPS-II score | 41 ± 15 | 42 ± 13 | 0.66 |
SOFA score | 7.2 ± 3.1 | 7.8 ± 3.3 | 0.28 |
Current or former smokers, n (%) | 113 (53) | 20 (49) | 0.66 |
Current or former alcohol abuse, n (%) | 57 (27) | 10 (24) | 0.77 |
Co-morbidities, n (%) | |||
Diabetes mellitus | 47 (22) | 10 (24) | 0.72 |
Chronic renal failure | 17 (8) | 2 (5) | 0.50 |
Solid cancer | 41 (19) | 3 (7) | 0.068 |
Chronic heart disorders | 71 (33) | 6 (15) | 0.019 |
Chronic lung disease | 74 (34) | 10 (24) | 0.21 |
Chronic liver disease | 36 (17) | 8 (20) | 0.67 |
Recent surgery, n (%) | 97 (45) | 15 (37) | 0.31 |
Tracheostomy at admission, n (%) | 24 (11) | 4 (10) | 0.78 |
Main causes of ICU admission, n (%) | |||
Postoperative | 38 (18) | 4 (10) | 0.31 |
Hypoxemic respiratory failure | 37 (17) | 7 (17) | 0.85 |
Decreased consciousness | 31 (14) | 8 (20) | 0.56 |
Hypercapnic respiratory failure | 26 (12) | 2 (5) | 0.28 |
Cardiac arrest | 15 (7) | 4 (10) | 0.77 |
Septic shock | 17 (8) | 3 (7) | 0.85 |
Multiple trauma | 18 (8) | 6 (15) | 0.34 |
Non-surgical abdominal disease | 10 (5) | 3 (7) | 0.75 |
Previous antibiotics in the ICU, n (%) | 163 (76) | 31 (76) | 0.98 |
Previous cardiopulmonary resuscitation, n (%) | 23 (11) | 4 (10) | 0.86 |