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Baseline respiratory characteristics of all participants.
| Median (IQR) | |
|---|---|
| PaO2 (kPa) | 11.4 (10.0–13.1) |
| PaCO2 (kPa) | 5.3 (5.0–6.2) |
| SpO2 (%) | 95 (93–97) |
| FIO2 | 0.43 (0.35–0.50) |
| Tidal volume (ml) | 522 (455–620) |
| Mean inspiratory pressure (cmH20) | 11 (10–13) |
| Peak inspiratory pressure (cmH20) | 25 (20–29) |
| Positive end expiratory pressure (PEEP) (cmH2O) | 10 (8–12) |
| Total SOFA Score | 11 (9–13) |
| Total APACHE II Score | 23 (17–29) |
