TABLE 2.
Clinical Course and Outcomes of the Study Participants
| Outcome | Total (N = 111) | ARDS (N = 21; 18.9%) | Non-ARDS (N = 90; 81.1%) | p |
|---|---|---|---|---|
| Vasopressor requirement, n (%) | 84 (75.7) | 17 (81.0) | 67 (74.4) | 0.53a |
| Renal replacement therapy, n (%) | 27 (24.3) | 3 (14.3) | 24 (26.7) | 0.23a |
| Invasive mechanical ventilation, n (%) | 79 (71.2) | 20 (95.2) | 59 (65.6) | 0.007a |
| Initial tidal volume per ideal body weight (mL/kg), median (IQR) | 6.21 (5.85–6.95) | 5.88 (5.43–6.53) | 6.26 (5.92–7.04) | 0.08b |
| Initial positive end-expiratory pressure (cm H2O), median (IQR) | 8 (8) | 8 (8–12) | 8 (8) | 0.01b |
| Worst Pao2/Fio2 ratio, median (IQR) | 132 (181–250) | 118 (78–166) | 202 (143–262) | < 0.001b |
| Mortality, n (%) | 45 (40.5) | 10 (47.6) | 35 (38.9) | 0.46a |
| 28-d ventilator-free days (d), median (IQR) | 19 (2–26) | 8 (0–22) | 20.5 (6–28) | 0.02b |
| 28-d ICU-free days (days), median (IQR) | 15 (0–24) | 1 (0–21) | 16.5 (3–24) | 0.02b |
ARDS = acute respiratory distress syndrome, IQR = interquartile range.
aχ2.
bWilcoxon rank-sum test were used to calculate the p values.