INGELHEIM, Germany--(BUSINESS WIRE)--Data presented today at the 59th Annual Scientific Session of the American College of Cardiology have shown greater reductions in stroke in patients with atrial fibrillation (AF) for dabigatran etexilate* compared to the current standard of care, warfarin, irrespective of a patient’s risk profile for stroke.1 The new sub-group analysis from the landmark RE-LY® study** assessed the rate of stroke and systemic embolism in patients defined as being at low (n=5,775), moderate (n=6,455) and high (n=5,882) risk of such events by the validated stroke risk stratification score, CHADS2.1,2.