Trends in use of warfarin and direct oral anticoagulants in atrial fibrillation in Norway, 2010 to 2015

Purpose Since 2011, several direct oral anticoagulants (DOACs; dabigatran, rivaroxaban, apixaban) have been introduced as alternatives to warfarin for stroke prophylaxis in atrial fibrillation. We wanted to investigate changes in utilization of oral anticoagulants for atrial fibrillation in Norway following the introduction of DOACs.