fig1
![Mortality and reoperation rate of biological versus mechanical Bentall-De Bono operation: a propensity-matched study](https://image.oaes.cc/0bbe1958-6833-43a7-90a6-2a36ce2e0f33/5680.fig.1.jpg)
Figure 1. Competing risk analysis for follow-up mortality and reoperation. bCVG: Biological composite valve graft; mCVG: mechanical composite valve graft.
Figure 1. Competing risk analysis for follow-up mortality and reoperation. bCVG: Biological composite valve graft; mCVG: mechanical composite valve graft.
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