Table 1. Characteristics of ALI patients.
| Subject characteristics | VAP+ (n = 14) | VAP– (n = 16) | P-value† |
| Age (mean ± SD) | 53±31 | 48±28 | 0.64 |
| Gender | 14 male, 0 female | 10 male, 6 female | |
| Ventilator days* (mean ± SD) | 10±25 | 15±18 | 0.53 |
| PaO2/FiO2 ** (mean ± SD) | 206±54 mmHg | 212±48 mmHg | 0.75 |
*
Number of days on the ventilator prior to bronchoscopy.
**
Ratio of arterial oxygen partial pressure (PaO2) to fraction of inspired oxygen (FiO2) at time of bronchoscopy.
†
Two-tailed t-test with unequal variance.