Fig. 3

The results of prespecified subgroup analyses of 28-day mortality. PaO2, Partial pressure of oxygen in arterial blood; HR, Hazard ratio; CI, Confidence interval; ARDS, Acute respiratory distress syndrome
The results of prespecified subgroup analyses of 28-day mortality. PaO2, Partial pressure of oxygen in arterial blood; HR, Hazard ratio; CI, Confidence interval; ARDS, Acute respiratory distress syndrome