4366Estimated effectiveness and safety of non-vitamin K antagonist oral anticoagulants compared to optimally anticoagulated real-world atrial fibrillation patients taking acenocoumarol. (28th August 2018) - Esteve Pastor, M A; Rivera-Caravaca, J M; Roldan, V; Orenes-Pinero, E; Romiti, G F; Romanazzi, I; Bai, Y; Carmo, J; Proietti, M; Marin, F; Lip, G Y H