Characteristics of included studies
| Reference | No of patients | Control type | Crossover study | Treatment duration (weeks) | Dropout rate | MSLT or MWT | Jadad score |
|---|---|---|---|---|---|---|---|
| CT, conservative treatment; CPAP, continuous positive airway pressure; MSLT, Multiple Sleep Latency Test; MWT, Maintenance of Wakefulness Test. | |||||||
| Engleman10 | 16 and 9 | Pill | Y | 4 | 11% | MSLT | 3 |
| Redline12 | 97 | CT | N | 10.5 | 13% | MSLT | 3 |
| Engleman9 | 34 | Pill | Y | 4 | 8% | MWT | 3 |
| Monasterio11 | 125 | CT | N | 24 | 12% | MSLT | 2 |
| Barnes14 | 28 | Pill | Y | 8 | 33% | MSLT | 3 |
| Barnes15 | 80 | Pill | N | 12 | 30% | MWT | 3 |
| Marshall16 | 29 | Sham CPAP | Y | 3 | 6% | MWT | 3 |