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Flowchart depicting the identification of the three NOAC study cohorts. *Patients dispensed two different NOACs on the same date. †Patients were excluded if they had a code for mitral stenosis/valvular replacement before the index date or in the 2 weeks after the index date, or if they had a NOAC dispensation with no associated diagnosis. NOAC, non‐vitamin K antagonist oral anticoagulant; NVAF, nonvalvular atrial fibrillation [Colour figure can be viewed at wileyonlinelibrary.com]
