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Respiratory parameters, CPAP group (n = 165) – median (IQR).
| Before CPAP | After starting CPAP | |
|---|---|---|
| SpO2 | 92% (90–96) | 94% (92–96) |
| FiO2 | 47% (32–60) | 50% (37–60) |
| Respiratory rate | 28 (24–34) | 28 (23–32) |
| Patients with arterial gases available (n = 39) | ||
| SpO2 | 92% (90–94) | 94% (92–96) |
| FiO2 | 60% (44–60) | 60% (45–75) |
| Respiratory rate | 32 (26–40) | 28 (23–34) |
| P:F ratio | 14.9 kPa (12.1–20.3) | 18.6 kPa (12.4–25.0) |
| PaO2 | 7.6 kPa (7.0–8.8) | 8.8 kPa (7.9–11.1) |
