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Figure 4 Scatter plots are shown for LVEF obtained with reinjection-g-SPECT (filled circle) (y = –6.77 + 1.06x; r = 0.92; SEE = 5.9%) and MIBI-g-SPECT (open circle) (y = 0.34 + 0.93x; r = 0.94; SEE = 4.4%).