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Figure 3 Kaplan-Meier survival curves according to DASE. Survival was good and similar ( 2 = 1.1, p = 0.3) in patients with sustained improvement and scar alone. Survival was poor (2 = 52.2, p < 0.0001) in patients with inducible ischemia. Survival was worse (2 = 67.8, p < 0.0001 vs. scar or sustained improvement and 2 = 5.4, p = 0.02 vs. worsening wall motion at peak dose only) in the subset of patients with biphasic responses. Early and late deaths were common in patients with biphasic responses. Fatal events only occurred late in follow-up in patients with worsening wall motion at peak dose only (2 = 14.5, p = 0.0001 vs. scar or sustained improvement). Survival was better (2 = 27.7, p < 0.0001) in patients with inducible ischemia treated with revascularization. See Figure 2 for abbreviations.
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