The effect of empirical superior vena cava isolation during total thoracoscopic ablation in patients with persistent atrial fibrillation

Table 4 Determinant of atrial tachyarrhythmia recurrence

	Hazard ratio	95% CI	p value
Univariate
Age	1.022	0.995–1.051	0.111
Sex	1.200	0.635–2.268	0.575
AF type	1.657	1.071–2.562	0.023
AF duration	1.004	0.999–1.009	0.090
Left atrial diameter	1.085	1.047–1.124	< 0001
Left ventricular ejection fraction	0.991	0.964–1.019	0524
BMI	1.059	0.994–1.127	0077
Hypertension	1.028	0.662–1.597	0901
Diabetes	0.917	0.459–1.833	0917
SVC isolation	1.108	0.718–1.710	0644
GP ablation	1.214	0526–2.800	0649
Multivariate
AF type	1.596	0.980–2.598	0060
AF duration	1.000	0.994–1.005	0972
Left atrial diameter	1.079	1.040–1.121	< 0001
BMI	1.009	0.942–1.081	0793

All variables with p values < .10 in univariate analysis were included in the multivariate model
GP Ganglion plexus; other abbreviations as in Table 1

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