Transdiaphragmatic pressure(Pdi) during an obstructive sleep apnoea event
| Patient | Pdi cmH2O | ||||
| Rest | Apnoea | Arousal | |||
| Beginning | Middle | End | |||
| 1 | 11.4 | 18.1 | 22.7 | 34.4 | 28.4 |
| 3 | 13.5 | 16.4 | 19.2 | 28.8 | 21.2 |
| 4 | 14.6 | 22.4 | 22.4 | 33.6 | 28.9 |
| 7 | 15.9 | 20.9 | 22.4 | 27.0 | 22.9 |
| 8 | 15.2 | 16.7 | 23.8 | 26.4 | 36.0 |
| 10 | 6.0 | 10.1 | 11.2 | 22.8 | 19.7 |
| 11 | 8.6 | 23.5 | 24.3 | 33.6 | 16.4 |
| 12 | 16.2 | 18.2 | 21.1 | 26.2 | 41.9 |
| Overall | 12.7±3.7 | 18.3±4.2 | 20.9±4.2 | 29.1±4.3 | 26.9±8.7 |
Overall data are presented as mean±sd.