Table 1.
Subject characteristics
| Characteristic | ARDS Cohort (n = 77) | Non-ARDS Cohort (n = 45) |
|---|---|---|
| Demographic | ||
| Age (means ± SD) | 50 ± 16 | 45 ± 11 |
| Sex (%male) | 60% | 76% |
| Clinical diagnosis | ||
| ARDS | 77 (100%) | 0 (0%) |
| Cardiogenic pulmonary edema | 0 (0%) | 26 (58%) |
| No pulmonary edema | 0 (0%) | 19 (42%) |
| ARDS risk factor, n (%)* | ||
| Sepsis | 49 (64%) | NA |
| Pneumonia | 31 (42%) | NA |
| Trauma | 28 (36%) | NA |
| Other | 8 (11%) | NA |
| Physiological | ||
| P/F ratio (median, IQR) | 157 (121–208) | 214 (140–310) |
| Outcome | ||
| VFDs (median, IQR) | 14 (0–21) | 25 (17–27) |
| Mortality (28 days), n, % | 11 (20%) | 8 (18%) |
ARDS, acute respiratory distress syndrome; IQR, interquartile range; NA, not applicable; P/F: /; VFDs, ventilator-free days.
*
ARDS risk factors are not mutually exclusive.