BMC Cardiovascular Disorders

Table 2 Results of cox regression for LR

From: Early recurrence after cryoballoon versus radiofrequency ablation for paroxysmal atrial fibrillation: mechanism and implication in long-term outcome

	RFA			CBA
	HR	95%CI	p value	HR	95%CI	p value
Univariate analysis
Age	0.998	0.965–1.032	0.909	1.045	0.990–1.102	0.108
BMI	0.931	0.853–1.016	0.107	1.224	1.057–1.418	0.007
AF duration	1.055	1.000–1.113	0.052	1.021	0.967–1.078	0.452
Gender, female	0.943	0.464–1.918	0.872	0.680	0.232–1.992	0.482
Hypertension	0.675	0.341–1.333	0.257	1.211	0.544–2.698	0.640
Diabetes	0.868	0.361–2.087	0.751	0.960	0.284–3.240	0.947
Coronary heart disease	2.248	0.984–5.136	0.055	1.330	0.397–4.461	0.644
Heart failure	2.375	0.564–9.992	0.238	2.328	0.544–9.964	0.255
Stroke/TIA	0.381	0.052–2.782	0.341	1.528	0.454–5.142	0.494
LA diameter	1.108	1.025–1.198	0.010	1.011	0.911–1.122	0.835
LVEF	0.991	0.953–1.029	0.631	0.981	0.919–1.046	0.551
CHA₂DS₂-VASc score	0.992	0.775–1.270	0.951	1.132	0.770–1.662	0.528
Additional ablation	1.234	0.377–4.034	0.728	–	–	–
CRP 24 h	1.009	0.985–1.033	0.477	0.994	0.952–1.037	0.765
CRP 48 h	1.001	0.984–1.017	0.941	1.019	0.983–1.056	0.303
AER	1.915	0.838–4.376	0.124	2.481	0.846–7.278	0.098
NAER	4.745	2.332–9.655	< 0.001	5.660	2.453–13.059	< 0.001
Multivariate analysis
Age			0.831			0.704
BMI			0.062			0.459
AF duration			0.054			0.330
Coronary heart disease			0.268			0.124
LA diameter	1.103	1.020–1.193	0.015			0.913
AER			0.055	3.169	1.037–9.687	0.043
NAER	4.610	2.243–9.476	< 0.001	6.760	2.845–16.06	< 0.001

Back to article page

ISSN: 1471-2261

Contact us

Submission enquiries: bmccardiovasculardisorders@biomedcentral.com
General enquiries: ORSupport@springernature.com