Fig. 4From: The Carpentier-Edwards Perimount Magna mitral valve bioprosthesis: intermediate-term efficacy and durabilityPostoperative peak (gray circles) and mean (dark boxes) transmitral gradients (in millimeters of mercury) per echocardiography by Magna valve size (in millimeters). Asterisks = means that are significantly different (P < 0.05)Back to article page