Differences in antihypertensive drug persistence associated with drug class and gender: a PHARMO study.

Objective: The objective of the study is to investigate factors related to treatment persistence among users of antihypertensive (AHT) drugs in daily practice.

Methods: Data for this study were obtained from the PHARMO database including pharmacy records and hospitalizations in the Netherlands (n=950,000). Patients who newly received AHT therapy (n=17,113) between 1997 and 2001 were selected.