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Clinical guidelines are needed on whether or not to use anticoagulant therapy to prevent stroke in patients with non-valvular atrial fibrillation. We did a Markov decision analysis to model decision-making with regard to warfarin treatment in patients with atrial fibrillation, and used the model to develop evaluative guidelines. Decision analysis is useful in the incorporation of complex probabilistic data into informed decision-making, the identification of factors influencing such decisi ons, and the subsequent development of evaluative guidelines. |
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