Table 2 Characteristics of patients at onset of pneumonia
From: Polymicrobial intensive care unit-acquired pneumonia: prevalence, microbiology and outcome
Monomicrobial pneumonia n = 215 | Polymicrobial pneumonia n = 41 | P value | |
|---|---|---|---|
Ventilator-associated pneumonia, n (%) | 147 (68) | 32 (78) | 0.22 |
Non-ventilator-ICUAP, n (%) | 68 (32) | 9 (22) | |
Early-onset pneumonia, n (%) | 55 (26) | 14 (34) | 0.27 |
Late-onset pneumonia, n (%) | 159 (74) | 27 (66) | |
ICU stay before pneumonia, days | 7 ± 8 | 8 ± 9 | 0.79 |
Hospital stay before pneumonia, days | 12 ± 13 | 10 ± 9 | 0.26 |
SOFA score | 7.5 ± 3.4 | 7.9 ± 3.0 | 0.51 |
CPIS day 1 | 6.4 ± 1.5 | 6.9 ± 1.5 | 0.026 |
Previous use of corticosteroids, n (%) | 81 (38) | 20 (50) | 0.14 |
Previous airway colonization, n (%) | 87 (41) | 12 (29) | 0.18 |
ARDS criteria, n (%) | 22 (10) | 7 (18) | 0.16 |
Pleural effusion, n (%) | 52 (25) | 20 (49) | 0.002 |
Shock at onset of pneumonia, n (%) | 101 (47) | 19 (46) | 0.94 |
Serum creatinine, mg/Dl | 1.25 ± 1.04 | 1.15 ± 0.90 | 0.57 |
Blood hemoglobin, g/L | 10.5 ± 1.7 | 10.9 ± 1.9 | 0.14 |
White blood cell count, L−9 | 14,068 ± 7,282 | 12,510 ± 4,893 | 0.19 |
PaO2/FiO2, mmHg | 210 ± 82 | 202 ± 80 | 0.56 |