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Figure 2 Primary end point: absolute mean (± SD) and individual changes in total and ischemic left ventricular (LV) perfusion defect size (PDS) from SPECT-1 to SPECT-2 study in the 2 randomized groups. The dashed line represents a 9% reduction in PDS (i.e., 95% confidence interval for a real patient change). Other abbreviations as in Figure 1.