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Intubation criteria – group not appropriate for intubation.
| Timing | Met criteria | Hospital mortality | |
|---|---|---|---|
| SpO2 ≤94% and RR ≥20 and FiO2 ≥60% | Prior to any CPAP | 12.3% (42 of 342) | 83.3% (35 of 42) |
| Worst during CPAP | 62.9% (56 of 89) | 80.4% (45 of 56) | |
| P:F ratio < 200 mmHg or equivalent | Prior to any CPAP | 19.3% (66 of 342) | 84.8% (56 of 66) |
| Worst during CPAP | 83.1% (74 of 89) | 75.7% (56 of 74) |
