Graphical representation of antithrombotic therapy utilization stratified by CHA2DS2-VASc score.(a) In a small proportion (n = 20) both DOAC (direct oral anticoagulant) and warfarin prescriptions were present likely due to a switch within the study window or a reporting error. (DOACs included apixaban, dabigatran, rivaroxaban and edoxaban; thienopyridines included anagrelide, cilostazol, clopidogrel, dipyridamole, prasugrel, ticagrelor, ticlopidine and vorapazar) Abbreviations: OAC (oral anticoagulant), DOAC (direct oral anticoagulant).