Table 2.
n = 69,652 |
ICS/LABA vs. ICS | LTRA vs. ICS | |||
---|---|---|---|---|---|
ICS (n = 63,998) | ICS/LABA (n = 3,457) | LTRA (n = 2,197) | |||
Primary adherence | 86% (54,731) | 82% (2,836) | 80% (1,755) | P < 0.0001 | P < 0.0001 |
Early-stage persistence | 64% (40,842) | 60% (2,091) | 76% (1,661) | P < 0.0001 | P < 0.0001 |
Adjusted PDC > 75% | 3% (1,748) | 7% (239) | 13% (282) | P < 0.0001 | P < 0.0001 |
Mean adjusted PDC | 21% (19%) | 25% (27%) | 30% (32%) | P < 0.0001 | P < 0.0001 |
Definition of abbreviations: ICS = inhaled corticosteroid; ICS/LABA = inhaled corticosteroid/long-acting β-agonist; LTRA = leukotriene antagonist; PDC = proportion of days covered.