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Figure 4 Comparison of Auto EF in Patients With Ischemic Heart Disease Versus Others

Scatter plots with linear regression (left) and Bland-Altman (right) analyses of assessment of biplane ejection fraction (EF) by Auto EF versus manual tracings in 97 patients with ischemic disease (top) and regional wall abnormalities and 53 patients with nonischemic cardiomyopathy (bottom), demonstrating similar close correlations and narrow limits of agreement.