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- Title
Improving the validity of determining medication adherence from electronic health record medications orders.
- Authors
Carroll, Nikki M.; Ellis, Jennifer L.; Luckett, Capp F.; Raebel, Marsha A.
- Abstract
We developed an accurate and valid medication order algorithm to identify from electronic health records the definitive medication order intended for dispensing and applied this process to identify a cohort of patients and to stratify them into one of three medication adherence groups: early non-persistence, primary non-adherence, or ongoing adherence. We identified medication order data from electronic health record tables, obtained the orders, and linked the orders to dispensings. These steps were then used to identify patients newly prescribed antihypertensive, antidiabetic, or antihyperlipidemic medications and to determine the adherence group of each patient. Record review validated each process step, thus increasing the accuracy of group assignment as well as the criteria used to select patients. This work is an important first step to accurately identify study-specific patient adherence cohorts and allow more comprehensive estimates of population medication adherence.
- Subjects
PATIENT compliance; ELECTRONIC health records; ALGORITHMS; COHORT analysis; ANTIHYPERTENSIVE agents; HYPOGLYCEMIC agents; DRUG therapy for hyperlipidemia
- Publication
Journal of the American Medical Informatics Association, 2011, Vol 18, Issue 5, p717
- ISSN
1067-5027
- Publication type
Article
- DOI
10.1136/amiajnl-2011-000151