Table 4.
Summary of number of patients and percent of patients with abnormal objective parameters of sleep on polysomnography (PSG) or multi-sleep latency test (MSLT).
| Criteria | No. of patients | % |
|---|---|---|
| Sleep efficiency ≤75% | 10/32 | 37.50 |
| Absence of REM sleep | 4/32 | 12.50 |
| Absence of stage 3 sleep | 12/32 | 31.25 |
| Sleep onset latency ≥40 min | 16/32 | 50.00 |
| Apnea hypoxia index ≥5 | 12/32 | 37.50 |
| PLMS index ≥5 | 8/32 | 25.00 |
| Multi-sleep latency ≤8 min | 14/31 | 45.16 |
| No disturbances | 2/32 | 6.25 |
| Any disturbances | 30/32 | 93.75 |
| 1 disturbance | 7/32 | 21.88 |
| 2 disturbances | 6/32 | 18.75 |
| 3 disturbances | 11/32 | 34.38 |
| 4 or more disturbances | 6/32 | 18.75 |
PLMS: periodic limb movement of sleep; REM: rapid eye movement.