Is aspirin safer than a direct oral anticoagulant for patients with atrial fibrillation at high risk of bleeding?

Alexander P. Benz reports a personal research grant from the German Heart Foundation (Deutsche Herzstiftung e.V.). John W. Eikelboom received grants and/or research support from AstraZeneca, Bayer, Boehringer Ingelheim, Bristol-Myers Squibb, Daiichi Sankyo, Inc., Janssen, Pfizer and Portola.