Munich Personal RePEc Archive

Economic and Clinical Impact of Stroke and Warfarin Use for Patients with Non-valvular Atrial Fibrillation

Wang, Li and Fritschel, Elyse and Baser, Onur (2013): Economic and Clinical Impact of Stroke and Warfarin Use for Patients with Non-valvular Atrial Fibrillation. Published in: Journal of Health Economics and Outcomes Research (JHEOR) , Vol. 1, No. 1 (2013): pp. 42-53.

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Abstract

Background: Atrial fibrillation (AF) is a common clinical problem and potent risk factor for stroke. However, real-world effectiveness and outcomes for AF patients are not well described. Objective: To compare the economic and clinical impact of stroke and warfarin use on patients with nonvalvular atrial fibrillation (NVAF). Methods: This was a retrospective analysis of medical and pharmacy claims of NVAF patients from a large commercial health insurance database (01/01/2005-12/31/2007). Patients were grouped according to stroke or warfarin prescription status. For all groups, demographic, clinical, and pharmaceutical characteristics were analyzed descriptively. Risk-adjusted overall and cardiovascular-related hospital readmission rates in 30 days, length of stay (LOS), clinical outcomes, and health care costs were assessed using propensity score matching. Costs were adjusted to 2007 U.S. dollars using the medical component of the U.S. Consumer Price Index.

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