Fig. 8From: Catheter ablation or surgical therapy in moderate-severe tricuspid regurgitation caused by long-standing persistent atrial fibrillation. Propensity score analysisComparison of outcomes in subgroups with tethering height ≥ 6 mm after PSM. Kaplan–Meier curves showing survival from mortality(a). Cumulative incidence curve of atrial fibrillation recurrence (b), stroke (c), and recurrent moderate-severe tricuspid regurgitation (d by competing-risk regression. CI = confidence interval; SHR = sub-hazard ratioBack to article page