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Figure 2 Relation between the sensitivity (solid triangles), specificity (asterisks) and diagnostic accuracy (solid squares) of the exercise (A), dobutamine (B), and dipyridamole (C) stress echocardiography as a function of quantitatively assessed percent diameter stenosis (n = 153). The best angiographic cutoff value with 95% confidence intervals (CI) for each stress echocardiography test is presented.
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