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Figure 4 Kaplan-Meier curve depicting the primary end point of death or first hospitalization for new or worsening heart failure in patients with abnormal conduction due to right bundle branch block (RBBB) (A), a nonspecific conduction abnormality (IVCD) (B), or left bundle branch block (LBBB) (C) who were programmed in a manner that did (DDDR-70) or did not (VVI-40) promote ventricular pacing. Statistical significance for an adverse outcome associated with ventricular pacing (DDDR-70) was observed only in patients with LBBB (p = 0.03).
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