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Table 4 Prediction model for mitral prosthesis size

From: Mitral prosthetic size predictor in minimally invasive mitral valve replacement

Calculated diameterWhole populationMechanical valve groupTissue valve group
Mean TTE diameter17.28 + 0.23 × d (R2 = 0.493)17.51 + 0.23 × d (R2 = 0.464)16.19 + 0.27 × d (R2 = 0.554)
Mean diameter on CT lowest plane15.09 + 0.36 × d (R2 = 0.461)16.39 + 0.32 × d (R2 = 0.396)12.74 + 0.44 × d (R2 = 0.572)
Area-derived diameter on CT highest plane14.88 + 0.33 × d (R2 = 0.442)16.10 + 0.29 × d (R2 = 0.386)12.79 + 0.38 × d (R2 = 0.533)
  1. d corresponding calculated diameter; R2 R-squared of the model