On multivariable analysis, the type of implanted mitral valve prosthesis just failed to reach statistical significance (HR, 0.43; 95% CI, 0.18-1.06; P = .067; Supplemental Table 3 ).
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Clinical Outcomes After Mitral Valve Replacement With Epic and Mosaic Bioprosthetic Valves.
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On inverse probability of treatment weighted analysis, the difference in freedom from reintervention failed to reach statistical significance (HR, 0.46; 95% CI, 0.17-1.21; P = .10).
At 10 years, the estimated freedom from reintervention rates were 62.2% (95% CI, 42.8%-84.5%) and 79.1% (95%, CI 62.1%-100%) for the Epic and Mosaic groups, respectively, with no statistically significant differences between groups ( P = .10; Figure 2 ), but an evident trend was observed.
On multivariable analysis, the Epic group showed a trend of higher risk of reintervention, but the difference between groups just failed to reach statistical significance.