Acute effects of continuous positive airway pressure (CPAP) on severity of sleep apnoea
| Pre-CPAP | On CPAP | p-value | |
| AHI n·h sleep−1 | 45.3±10.1 | 2.2±0.5 | <0.01 |
| Arousal index n·h sleep−1 | 37.1±5.9 | 9.4±1.6 | <0.001 |
| Lowest Sa,O2 % | 83.3±1.1 | 92.1±0.7 | <0.0001 |
Data are presented as mean±sem
AHI: apnoea/hypopnoea index
Sa,O2: arterial oxygen saturation