| 4% dips/h | 0–4.9 | 5–9.9 | 10–14.9 | 15–29.9 | 30–59.9 | 60+ |
| Characteristics: number of patients | 41 | 44 | 29 | 44 | 35 | 31 |
| Sex, % male | 76% | 75% | 86% | 73% | 91% | 84% |
| BMI, mean (SD) | 29 (5) | 33 (7) | 34 (8) | 34 (7) | 35 (6) | 40 (10) |
| Outcomes: CPAP usage h/night, median (range) | 4.4 (0.1–7.7) | 4.4 (0.0–11.2) | 4.5 (0.1–7.6) | 4.3 (0.2–8.2) | 4.1 (0.1–7.8) | 5.0 (0.4–8.4) |
| % reporting benefit | 56% | 57% | 76% | 73% | 77% | 90% |
| ESS reduction: effect size* | 0.95 | 0.61 | 0.86 | 0.98 | 1.09 | 2.57 |
| Fatigue reduction: effect size* | 0.91 | 0.68 | 0.66 | 1.60 | 1.02 | 1.49 |
| Vitality increase: effect size* | 1.26 | 0.75 | 0.82 | 0.99 | 1.13 | 1.17 |
*n = 152.