Fig. 4From: Catheter ablation or surgical therapy in moderate-severe tricuspid regurgitation caused by long-standing persistent atrial fibrillation. Propensity score analysisComparing the areas under ROC curve of tethering height, and RVSI for the prediction of recurrent atrial fibrillation in catheter cohort (a) and surgical cohort (c); and for the prediction of recurrent moderate-severe tricuspid regurgitation in catheter cohort (b) and surgical cohort (d). CI = confidence intervalBack to article page