3.4.6 ≥mild TR during follow-up
The meta-analysis for ≥mild TR during follow-up included 250 patients undergoing TVD and 813 patients undergoing non-TVD procedures from 7 studies, significant difference in ≥mild TR during follow-up was identified(OR=2.42, 95% CI=1.55-3.76, p<0.001) (Fig.3e ).