Table 1.
Adherence data from the first 90 days of therapy.
| Adherence measures | Values (n = 2,621,182) Median (IQR)a |
|---|---|
| CMS compliance in first 90 days, n (%) | 1,955,961 (74.6) |
| Time to achieve CMS compliance, days | 23.00 (21.00, 27.00) |
| Device usage, h/session | 6.18 (4.79, 7.35) |
| Daily usage (all days), h/night | 5.54 (3.42, 7.04) |
| Proportion of days with non-zero usage, % | 93.3 (72.2, 98.9) |
| Proportion of days compliant (usage ≥ 4 h/night), % | 80.0 (46.7, 95.6) |
CMS, Center for Medicare and Medicaid Services; IQR, interquartile range; SD, standard deviation. CMS Compliance definition: ≥4 hours’ PAP use on 70% of nights in a consecutive 30-day period in the first 90 days of therapy.
a
Data not normally distributed.