Root mean square of diaphragm electromyography signal# during an obstructive sleep apnoea event
| Patient | Rest | Apnoea | Arousal | ||
| Beginning | Middle | End | |||
| 1 | 28.3 | 25.0 | 19.4 | 31.6 | 34.6 |
| 2 | 24.4 | 24.9 | 19.4 | 49.7 | 77.5 |
| 3 | 20.9 | 24.4 | 24.1 | 36.5 | 30.8 |
| 4 | 17.3 | 20.2 | 23.2 | 26.7 | 40.7 |
| 5 | 35.0 | 22.6 | 22.8 | 73.8 | 110.2 |
| 6 | 15.7 | 19.9 | 19.1 | 26.8 | 28.4 |
| 7 | 13.5 | 26.7 | 27.5 | 35.7 | 48.3 |
| 8 | 19.8 | 21.3 | 23.2 | 29.4 | 45.5 |
| 9 | 24.7 | 45.1 | 32.4 | 50.1 | 103.8 |
| 10 | 21.8 | 24.6 | 16.7 | 31.8 | 60.5 |
| 11 | 13.0 | 20.0 | 18.7 | 26.7 | 27.2 |
| 12 | 26.7 | 29.2 | 29.1 | 44.9 | 107.4 |
| Overall | 21.8±6.5 | 25.3±6.9 | 23.0±4.7 | 38.6±14.0 | 59.6±32.0 |
Overall data are presented as mean±sd. #: in microvolts.