Table 2.
Sleep/arousal characteristics of the MGH dataset.
| Clinical Feature | Total | Training | Test |
|---|---|---|---|
| Time spent in sleep stage (%) | |||
| Wake | 29.3 | 28.0 | 31.0 |
| NREM 1 | 19.5 | 19.6 | 19.0 |
| NREM 2 | 51.3 | 51.0 | 51.7 |
| NREM 3 | 13.8 | 14.0 | 13.8 |
| REM | 15.3 | 15.5 | 15.2 |
| Number of target arousals | |||
| Bruxism | – | 30 | – |
| Cheyne-Stokes breathing | – | 3 | – |
| Hypoventilation | – | 4 | – |
| Noise | – | 1 | – |
| Partial airway obstruction | – | 11 | – |
| PLM | – | 36 | – |
| RERA | – | 43,822 | – |
| Snoring | – | 28 | – |
| Spontaneous | – | 70 | – |
| Number of non-target arousals | |||
| Hypopnea | – | 56,936 | – |
| Central apnea | – | 22,763 | – |
| Mixed apnea | – | 2,641 | – |
| Obstructive apnea | – | 32,547 | – |
PLM: Periodic leg movement
RERA: Respiratory effort-related arousals