Among the patients with non-valvular AF , 110 ( 12.7 % ) of those with CHADS2 ( congestive HF , hypertension , age of 75 years and greater , diabetes mellitus and history of stroke ) 2 were prescribed oral anticoagulants ( OAC ) , while 119 ( 15.6 % ) of those with CHADS2 < 2 received such agents .