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  • Title: Statin Adherence Rates in Patients Utilizing a Patient-Centered Medical Home-Based Pharmacy.
    Author: Slazak EM, Kozakiewicz JT, Winters NS, Smith JR, Monte SV.
    Journal: J Pharm Pract; 2017 Oct; 30(5):516-520. PubMed ID: 27599748.
    Abstract:
    BACKGROUND: Medication nonadherence contributes to approximately US$290 billion per year in avoidable health-care spending. Statins are of particular interest because of their importance to patient outcomes, costs of treatment failure, and categorization as a Medicare star measure linked to financial reimbursement. OBJECTIVE: To evaluate statin adherence as defined by the proportion of days covered (PDC) among patients who use an embedded dispensing pharmacy in a patient-centered medical home (PCMH). METHODS: This study is a retrospective chart review of Lifetime Health Medical Group's electronic health record and third-party prescription claims data of statin therapy. Statin adherence is reported using PDC, with 0.8 or greater considered adherent for statin therapy. Statistics used include 2-sample unpaired t test to compare PDC between gender and age, and analysis of variance was used to determine differences in PDC among different insurance types. RESULTS: One hundred ninety-three patients were included, and 917 statin prescriptions were filled. PDC for statin medications in the population was 0.92 ± 0.20. Eighty-six percent of patients were considered adherent, with a PDC ≥80%. The average insurance and patient costs for brand prescriptions (n = 106) were US$233 ± US$143 and US$31 ± US$27, respectively, and costs for generic prescriptions (n = 811) were US$8 ± US$13 and US$7 ± US$6, respectively. CONCLUSION: Statin adherence rates for patients utilizing a dispensing pharmacy embedded in a large PCMH exceed the national average of 40% to 50% adherence.
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