Table 1.
Demographic characteristics of the infected and noninfected patients
| General characteristic | Noninfected patients (n = 28) | Infected patients (n = 35) | P |
| Age (mean ± standard deviation) | 50.6 ± 21.9 | 62.2 ± 13.3 | 0.05 |
| Sex (male/female) | 13/15 | 24/11 | 0.08 |
| APACHE II score (mean ± standard deviation) | 17.3 ± 9.3 | 20.5 ± 6.1 | 0.11 |
| Primary admission intensive care unit diagnosis (n) | 0.063 | ||
| Respiratory | 4 | 11 | |
| Cardiovascular | 8 | 7 | |
| Neurology | 6 | 3 | |
| Surgical | 1 | 5 | |
| Trauma | 3 | 7 | |
| Obstetrics | 4 | ||
| Others | 2 | 2 | |
| Primary sites of infection (n) | |||
| Respiratory | 20 | ||
| Blood | 11 | ||
| Gastrointestinal | 3 | ||
| Skin and soft tissues | 1 | ||
| SOFA score, day 0 (mean ± standard deviation) | 3.0 ± 1.7 | 6.3 ± 2.9 | <0.001 |
| C-reactive protein, day 0 [median (interquartile range)] | 3.0 (4.5) | 16.6 (9.1) | <0.001 |
APACHE II, Acute Physiology and Chronic Health Evaluation II score; SOFA, Sequential Organ Failure Assessment.