Long-term survival rates for unmatched groups of composite valve graft and stentless aortic root replacement

Survival rates1 year5 years10 years15 years17 years20 years
Composite valve graft87% (82.1–90.7)79% (72.6–84.4)73% (65.1–79.9)58% (41.4–71.1)45% (25.5–63.4)45% (25.5–63.4)
Stentless aortic root87% (83.3–90.4)83% (78.1–86.4)75% (69.6–80.3)68% (56.7–76.8)68% (56.7–76.8)51% (20.1–75.3)