Study population
non-valvular Atrial Fibrillation
This study constitutes a post-hoc, observational analysis of the MISOAC-AF trial (Motivational Interviewing to Support Oral Anti Coagulation adherence in patients with non-valvular Atrial Fibrillation, ClinicalTrials.gov identifier: NCT02941978), a prospective randomized controlled trial, conducted in the cardiology ward of a tertiary hospital. The detailed study design and its results have been published previously [The baseline population of the present study consisted, in its entirety, of adult patients with non-valvular AF who were enrolled in MISOAC-AF. The participants were originally recruited between December 2015 and June 2018. Study approval was obtained by the Ethics Committee of the Aristotle University of Thessaloniki (Reference 173/30.11.2015). The study was in accordance with the principles of the declaration of Helsinki [