Research Article

Long-Term Mortality Outcomes According to the Frequency of Right Ventricular Pacing in Veterans

Table 7

Cox regression results using age, rate responsiveness, and 4-group pacing variable.

VariableDFParameter EstimateSEChi-square Hazard ratio

Pacing + type1.1890.03627.90<.00011.208
Simple versus rate responsive1.275.1007.52.0061.316

Age1.0590.004260.79<.00011.061

Pacing + type is the composite variable of <20% or >80% pacing and single- or dual-chamber pacemaker type.