Also , women had less peripheral artery disease ( aspirin , 2.4 % versus 3.7 % ; apixaban , 1.4 % versus 3.0 % ) , more heart failure , and higher mean CHADS2 ( congestive heart failure , hypertension , age of 75 years or older , diabetes [ 1 point each ] , stroke or transient ischemic attack [ 2 points ] ) scores ( aspirin , 2.2 versus 2.0 ; apixaban , 2.1 versus 2.0 ) .