Fig. 4From: Predictors of paravalvular aortic regurgitation after surgery for Behcet’s disease-related severe aortic regurgitationKaplan-Meier estimates of freedom from paravalvular leakage (PVL) stratified by (a) aortic root replacement (ARR) and (b) postoperative immunosuppressive therapy (IST). The incidence of PVL was significantly higher in patients who did not undergo postoperative IST or concomitant ARRBack to article page