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Means and percent that achieved each threshold for MDI vs. DPI
| Types subcohort | |||
|---|---|---|---|
| Adherence | DPI (n = 3193) |
MDI (n = 3196) |
P-value |
PDC, mean SD |
0.67 ± 0.23 | 0.62 ± 0.23 | < 0.001 |
 0.5, % |
3253 (71.9) | 2854 (63.1) | < 0.001 |
 0.8, % |
1518 (33.6) | 1115 (24.6) | < 0.001 |
| Adjusted HR (95% CI) | |||
| Time to discontinuation | 1 |
1.133 (1.073–1.196) |
< 0.001 |
CI, confidence interval; DPI, dry powder inhaler; HR, hazard ratio; MDI, metered dose inhaler; PDC, proportion of days covered
