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In this study of patients on anticoagulants for nonvalvular atrial fibrillation and/or for secondary venous thrombosis prevention, vitamin K antagonists were associated with lower bleeding rates but higher mortality rates compared to direct oral anticoagulants. Ann Fam Med. 2020 Mar;18(2):131-138.    (retrieved Mar, 2020). There are currently 1090 pearls in the database. While every attempt has been made to ensure accuracy, mistakes can and do occur. Use databank at your own risk. All pearls © 2024 by the Internet Medical Association. Click Here to view more medical pearls.