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Demographics and clinical characteristics
| Variables | Value |
|---|---|
| Number of patients | 30 |
| Age (years) | 54 ± 14 |
| Sex (female/male) | 12/18 |
| Weight (kg) | 76 ± 24 |
| Patients with high-risk ARDS | 10 |
| Post major operation | 6/10 |
| Other reasons | 4/10 |
| Patients with ARDS | 20 |
| Post major operation | 11/20 |
| Pneumonia | 5/20 |
| Extrapulmonary sepsis | 4/20 |
| PaO2/FiO2 at baseline | 242 ± 107 |
| Received vasopressor therapy (%) | 23/30 |
| 28-day mortality | 7/30 |
PaO2 arterial partial pressure of oxygen, FiO2 fraction of inspiration oxygen
