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

Survival rates1 year5 years10 years15 years17 years20 years
Composite valve graft87% (81.3–90.8)80% (73.2–85.5)74% (65.4–81.3)65% (48.9–77.4)47% (21.7–68.8)47% (21.7–68.8)
Stentless aortic root91% (86.6–94.4)87% (81.6–91.0)82% (74.9–87.2)71% (56.3–82.2)71% (56.3–82.2)54% (19.9–78.6)