Fig. 3

Relationship 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 anticoagulant