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Table 1 Active W Study: outcomes

From: Battle of oral anticoagulants in the field of atrial fibrillation scrutinized from a clinical practice (the real world) perspective

Outcomes Clopidogrel + aspirin Warfarin NNT or NNH P
Vascular events (%/year) 5.64 3.63 50 0.0002
Major bleeding (%/year) 2.42 2.21 476 0.67
  1. NNH, number needed to harm; NNT, number needed to treat.