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Figure 1 Degree of mitral regurgitation (MR) graded on a scale of 0 to 4 (0 = no MR, 4 = severe MR) in control group (squares), annuloplasty group (circles), and ventricular wrap group (triangles). By the nonparametric Kruskal-Wallis test with MR as the dependent variable and considering all experimental time points, the wrap, annuloplasty, and control groups are all significantly different (p < 0.05 for all comparisons).
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