Table 5.
Outcome variables.
| PaO2/FIO2 ≤ 240 n = 171 |
PaO2/FIO2 > 240 n = 84 |
p Value | |
|---|---|---|---|
| ICU stay, days * | 19 (12–29) | 18 (13–32) | 0.75 |
| Hospital stay, days * | 34 (19–56) | 43 (21–56) | 0.34 |
| Non-response to treatment, n (%) | 94 (55) | 48 (57) | 0.74 |
| ICU mortality, n (%) | 53 (31) | 18 (24) | 0.11 |
| Hospital mortality, n (%) | 71 (42) | 24 (29) | 0.044 |
| Ventilator-free days at day 28 * | 3 (0–21) | 17 (0–24) | 0.022 |
| Causes of death within 90 days: | 0.28 | ||
| Shock, n (%) | 52 (74) | 14 (58) | |
| Refractory hypoxemia, n (%) | 4 (6) | 2 (8) | |
| Order do-not-resuscitate, n (%) | 1 (1) | 2 (8) | |
| Brain anoxia, n (%) | 11 (16) | 6 (25) | |
| Others, n (%) | 2 (3) | 0 (0) |
* Results given as median (inter-quartile range). Definition of abbreviations: ICU: Intensive Care Unit.