Figure legends
Figure 1. Surgical setting.
Figure 2. Implanted Memo 3D ring.
Figure 3. Kaplan-Meier survival curve.
Figure 4. Cumulative hazard curve.
Figure 5. Gender-based pooled analysis.
Figure 6. NYHA class, preoperative vs follow-up.
Figure 7. Regression coefficient analysis.
Figure 8. Competing risk analysis.