Fig. 2From: Safety and long-term efficacy of thoracoscopic Epicardial ablation in patients with paroxysmal atrial fibrillation: a retrospective studyCox-proportional hazard model of the freedom from atrial arrhythmias over time (in months) following TELA, at the mean of the following covariates: age, hypertension, obstructive sleep apnea, left atrial volume and mitral regurgitationBack to article page