3.4.3 Postoperative ≥mild TR
The meta-analysis for postoperative ≥mild TR included 205 patients undergoing TVD and 515 patients undergoing non-TVD procedures from 4 studies, no significant difference in postoperative ≥mild TR was identified(OR=1.05, 95% CI=0.53-2.09, p=0.88) (Fig.3c ).