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FIGURE 3. Kaplan–Meier event (fatal pump failure)-free curves when patients were stratified into 2 groups using the thresholds of a plasma BNP level of 172 pg/mL and an 123I-MIBG HMR of 1.74. The group of patients with plasma BNP levels of <172 pg/mL (left) or HMRs of >1.74 (right) had a significantly lower event rate than did each counterpart not only when all 158 patients were considered (A) but also when 127 patients who had an LVEF of <50% were considered for this analysis (B).
