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Figure 3 The impact of contrast injection on the assessment of left ventricular remodeling. (A) Scatterplot of stroke volume (SV) measured with electron beam computed tomography (EBCT) (x axis) and echocardiography (Echo) (y axis) with (solid circles) and without (open triangles) contrast injection. The solid lines represent the regression lines between each echocardiographic modality and EBCT. The dashed line represents the identity line. (B) Scatterplot of differences (y axis) in SV between EBCT and echocardiography with contrast injection (solid circles) and between EBCT and echocardiography without contrast injection (open triangles). The thick solid line and the two thin lines indicate the mean value and 95% confidence interval of the difference between EBCT and echocardiography with contrast injection. Note the wide scatter of differences without contrast injection.
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