Figure 4. Thirty‐day and 1‐year mortality following mitral valve‐in‐ring (MVIR) replacement.

Mortality rates at 30 days and 1 year are shown among the various MVIR series, in descending chronological order of year of publication. The error bars indicate the 95% CIs. ²⁹ , ³⁰ , ³² , ³⁵ , ³⁶ , ⁴⁹ , ⁵³