Fig. 4From: The efficacy and safety of direct oral anticoagulants compared with vitamin K antagonist in patients with hypertrophic cardiomyopathy and atrial fibrillationBegg’s funnel plot of publication bias in a selection of studies on the rates of thromboembolic events between DOAC and VKA therapy. Abbreviation: DOAC direct oral anticoagulants, VKA vitamin K antagonists, log (RR): natural logarithm of RR; S.E: standard error. The horizontal line means the magnitude of the effectBack to article page