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Figure 2 Those with Rastelli type C and an undivided inferior bridging leaflet (IBL) had better competence of the atrioventricular valve remaining than did those with the other valve morphologies (p < 0.01 by the generalized Wilcoxon test). Solid lines = actuarial freedom from preoperative regurgitation by the Kaplan–Meier method; dotted lines = 95% confidence intervals.
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