Pharmacoeconomic Impact Evaluation of Statin Adherence in High-risk Unselected Post Myocardial Infarction Population: an Administrative Database-guided Analysis
Background: The compliance to statins in secondary prevention is very low, increasing health-care costs principally for rehospitalization. Objectives: To evaluate the cost of lack of persistence to statin therapy together with identification and cost-estimation of poor compliance. Methods: Retrospective observational study starting from administrative database analysis of statin prescription after myocardial infarction. Results: Among 463 patients enrolled, 25.1% were never treated, 70.8% received statins regularly; 14.9% received only 1-2 prescriptions (spot prescription), and 12% were occasional users. Among the 288 nonoccasional users, we found a compliance rate of 80% only in the 59.7%. The cost analysis shows that 59.787,72 (23.4%) have been spent for patients with compliance of less than 80% (ineffective adherence). Conclusions: As the lower compliance affects the health-care costs, the identification of occasional users and spot prescriptions of the nonoccasional users, has a potential role in reducing medical expense with limited increase in costs.
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