Adherence to NOAC. (A) Proportions of adherent users (PDC ≥80%) and mean PDC levels. (B) Proportions of patients according to PDC. (C) Proportions of adherent users (PDC ≥80%) within or beyond 1 year of follow-up. Adherence was estimated over a patient’s entire follow-up. NOAC, non-vitamin K antagonist oral anticoagulant; PDC, proportion of days covered.