Table 5. Univariate and multivariate survival analyses of cardiovascular events.

Variables	Univariate analysis		Multivariate analysis*
	p value	HR (95% CI)	p value	HR (95% CI)
Age (60 years old = 1)	0.09	1.61 (0.93–2.87)	0.92	1.03 (0.55–1.95)
Gender (female = 1)	0.43	1.27 (0.71–2.43)	0.65	0.85 (0.44–1.73)
Temporal increase in QRS duration (5 ms/year = 1)	<0.0001	3.33 (1.89–5.84)	0.0001	2.79 (1.55–5.00)
Non-RBBB pattern (RBBB pattern = 1)	<0.0001	3.43 (1.99–5.94)	0.001	2.82 (1.57–5.09)

Annotation and abbreviations are as Table 4.

*Adjustment for multivariate analysis is as Table 3.