From: The impact of Medicare prescription drug coverage on the use of antidementia drugs
Pharmacy benefit group | Mean No. (SD) of pre–Part D prescriptions | Mean No. (SD) of post–Part D prescriptions | Adjusted odds ratio* of pre–Part D vs. post–Part D prescriptions | Comparison of the adjusted odds ratio* of the no-coverage, $150-cap, and $350-cap groups with that of the no-cap group | ||
---|---|---|---|---|---|---|
AOR (95% CI) | PValue | AOR (95% CI) | PValue | |||
No coverage group | 5.80 (6.26) | 10.30 (8.56) | 1.76 (1.47-2.10) | <0.0001 | 1.36 (1.12-1.65) | 0.0018 |
$150 cap group | 5.91 (5.85) | 8.99 (7.35) | 1.51 (1.27-1.80) | <0.0001 | 1.16 (0.96-1.41) | 0.1177 |
$350 cap group | 6.29 (5.99) | 9.47 (7.92) | 1.49 (1.41-1.58) | <0.0001 | 1.15 (1.05-1.27) | 0.0031 |
No cap group | 8.42 (7.07) | 11.04 (8.19) | 1.30 (1.20-1.40) | <0.0001 | [Reference] |