| Therapeutic CPAP(n = 19) | Placebo CPAP(n = 21) | p Value | |
| Mean hours on nights used over last month | 3.6 (2.8) | 3.3 (3.0) | 0.8 |
| % nights used over last month | 74.8 (30.2) | 65.4 (28.5) | 0.4 |
| Mean hours on nights used over last 3 months | 3.3 (2.6) | 3.5 (2.8) | 0.9 |
| % nights used over last 3 months | 74.5 (29.3) | 69.3 (26.6) | 0.6 |
| % with compliance <1 h/night used | 26 | 14 | |
| Mean hours on nights used in those with >1 h/night compliance over last month | 4.8 (2.3) | 4.1 (2.7) | 0.4 |
| Mean hours on nights used in those with >1 h/night compliance over last 3 months | 4.4 (2.0) | 4.2 (2.6) | 0.8 |