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Figure 5 Outcome in Patients According to Severity of MR Index at 3 Months

Values for mitral regurgitation (MR) index of 11.1 and 24.2 units defined the upper and lower boundaries of the middle tercile. The hazard ratio for those in the highest versus lowest tercile was 2.673 (95% confidence interval: 1.881 to 3.799; p < 0.0001). Tr = tercile.