Table 2.
Outcome variables.
| Outcome Variables | All Patients (n = 1,963) | |||
|---|---|---|---|---|
| Baseline | 6 Months (Post-titration) | 12 Months (Final) | P† | |
| AHI (events/h) | n = 1,963; 33.0 (0.60, 118.7) | n = 1,852; 7.8 (0.0, 103.0) | n = 890; 10.2 (0.0, 96.2) | <.0001* |
| Change in AHI (events/h) | — | n = 1,852; 23.0 ± 18.3 | n = 890; 20.7 ± 18.4 | See above |
| ODI (events/h) | n = 461; 22.9 (0.0, 242.0) | n = 930; 8.4 (0,126.0) | n = 557; 9.4 (0.0, 198.0) | < .0001* |
| ESS | n = 1,712; 11.0 (0.0, 24.0) | n = 1,528; 7 (0.0, 24.0) | n = 994; 6.0 (0.0, 23.0) | < .0001* |
| Therapy usage (h/night) | — | n = 1,573; 6.4 ± 2.1 | n = 913; 5.7 ± 2.2 | < .0001** |
Data are presented as mean ± SD or median (minimum, maximum) †P values compare baseline and final visit using a paired t test, *p < 0.05, **Compared with post-titration. AHI = apnea-hypopnea index, ESS = Epworth Sleepiness Scale, ODI = oxygen desaturation index, SD = standard deviation.