Diaphragm EMG (EMGdi), tidal volume (VT) and the efficacy of neural respiratory drive (VT/EMGdi) during wakefulness, snoring and hypopnoea in patients with overlap syndrome
| EMGdi/max% | VT (mL/kg) | VT/EMGdi | |||||||
|---|---|---|---|---|---|---|---|---|---|
| Overlap subjects | Wakefulness | Snoring | Hypopnoea | Wakefulness | Snoring | Hypopnoea | Wakefulness | Snoring | Hypopnoea |
| 1 | 49.0 | 54.7 | 48.1 | 5.1 | 4.0 | 1.2 | 0.10 | 0.07 | 0.02 |
| 2 | 23.1 | 25.2 | 25.4 | 5.8 | 4.1 | 2.6 | 0.25 | 0.16 | 0.10 |
| 3 | 28.1 | 37.8 | 35.3 | 10.2 | 7.5 | 3.2 | 0.36 | 0.20 | 0.09 |
| 4 | 58.3 | 50.8 | 52.8 | 5.6 | 4.3 | 1.9 | 0.10 | 0.08 | 0.04 |
| 5 | 21.0 | 18.2 | 14.8 | 9.3 | 6.9 | 5.1 | 0.44 | 0.38 | 0.34 |
| 6 | 31.3 | 22.3 | 12.1 | 5.9 | 8.3 | 2.4 | 0.19 | 0.37 | 0.20 |
| 7 | 17.1 | 23.4 | 22.8 | 9.5 | 7.5 | 4.1 | 0.56 | 0.32 | 0.18 |
| 8 | 48.9 | 38.7 | 39.1 | 7.0 | 3.6 | 2.3 | 0.14 | 0.09 | 0.06 |
| 9 | 18.2 | 23.3 | 18.1 | 8.5 | 6.4 | 4.5 | 0.47 | 0.27 | 0.25 |
| 10 | 12.3 | 18.1 | 12.9 | 9.3 | 9.3 | 4.9 | 0.76 | 0.51 | 0.38 |
| 11 | 14.9 | 22.0 | 18.7 | 8.5 | 4.3 | 1.8 | 0.57 | 0.19 | 0.10 |
| 12 | 17.1 | 19.5 | 20.2 | 8.9 | 4.3 | 1.7 | 0.52 | 0.22 | 0.08 |
| 13 | 25.4 | 29.2 | 24.2 | 6.3 | 4.4 | 2.1 | 0.25 | 0.15 | 0.09 |
| 14 | 14.0 | 13.0 | 12.6 | 7.3 | 6.1 | 4.4 | 0.52 | 0.47 | 0.35 |
| 15 | 58.7 | 55.3 | 46.2 | 5.8 | 3.7 | 2.8 | 0.10 | 0.07 | 0.06 |
| 16 | 30.9 | 24.2 | 28.8 | 6.1 | 4.9 | 2.2 | 0.20 | 0.20 | 0.08 |
| Mean | 29.3 | 29.7 | 27.0 | 7.4 | 5.6 | 2.9 | 0.35 | 0.24 | 0.15 |
| SD | 15.8 | 13.6 | 13.4 | 1.7 | 1.8 | 1.3 | 0.21 | 0.14 | 0.12 |
EMGdi%max, percentage of maximal diaphragm electromyogram.