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

Table 5

Cox regression analysis using <20% versus >80% right ventricular pacing, single versus dual pacemaker type, simple versus rate responsive, and age as separate variables.

Variable	DF	Parameter estimate	SE	Chi-square	𝑃	Hazard ratio
<20% (versus >80%)	1	0.309	0.098	9.92	.0016	1.362
Single (versus dual)	1	0.252	0.069	13.26	.0003	1.286
Simple (versus rate responsive)	1	0.259	0.101	6.58	.01	1.296
Age	1	0.059	0.004	248.63	<.0001	1.060