Fig. 3From: Bleeding risk factors and real-world antithrombotic therapies in elderly patients with atrial fibrillation undergoing percutaneous coronary intervention: a retrospective studyRelationship between number of antithrombotic agents and bleeding events. a) Relationship between number of antithrombotic agents and bleeding events. b) Bleeding rates by number of antithrombotic agents and between bleeding risk models. The number of antithrombotic agents was investigated at the time of bleeding in the bleeding event group and at the end of observation in the without-bleeding event group. OAC, oral anticoagulantBack to article page