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Mean SpO2 on days one and two using different oxygen delivery systems
| Oxygen delivery system | SpO2 (%), mean±SD | |
|---|---|---|
| Day one | Day two | |
| Ambient air | 66.92±10.8 | 75.41±8.45 |
| Hudson’s mask | 77.23±9.09 | 83.39±5.93 |
| PRM | 86.08±5.15 | 89.94±2.96 |
SD, standard deviation; PRM, partial rebreathing mask; SpO2, peripheral capillary saturation of oxygen
