Table 4.
PDC rates and adherence dataa
| Total sample | Participants with one or more medication fill after the letter was sent | ||
|---|---|---|---|
|
| |||
| Total letters (n) | 460 | Total letters (n) | 284 |
| Initial PDC (mean ± SD) | 0.51±0.11 | Initial PDC (mean ± SD) | 0.52±0.11 |
| Final PDC (mean ± SD) | 0.41±0.39 | Final PDC (mean ± SD) | 0.67±0.28 |
| Change in PDC (mean ± SD) | −0.10±0.40 | Change in PDC (mean ± SD) | 0.15±0.28 |
| Adherent at final, n (%) | Adherent at final, n (%) | ||
| No | 349 (75.9) | No | 60.9 (173) |
| Yes | 111 (24.1) | Yes | 39.1 (111) |
| Filled after letter, % (n) | Days before next fill | ||
| No | 38.5 (176) | 39.01 | |
| Yes | 61.7 (284) | 42.58 | |
Note:
a
Values represent mean ± SD for initial PDC, final PDC, change in PDC, and days before next fill.
Abbreviation: PDC, proportion of days covered.