Why the study?
Does warfarin therapy reduce incident hospitalizations for ischemic stroke in Medicare beneficiaries with atrial fibrillation?
Population
Medicare beneficiaries with atrial fibrillation hospitalized between March 1998 and April 1999 in all 50 US…
Comparison
Warfarin therapy vs No antithrombotic therapy
Design
Cohort
Authors
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Warfarin was associated with fewer strokes in AF yet less effective in minorities; extends cohort data while leaving open disparity-focused trials.
Does warfarin therapy reduce incident hospitalizations for ischemic stroke in Medicare beneficiaries with atrial fibrillation?
Warfarin therapy is effective for stroke prophylaxis in Medicare beneficiaries with atrial fibrillation, but its use, monitoring, and effectiveness are suboptimal, particularly in black and Hispanic populations.
Birman-Deych et al. (2006) studied this question.
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