TABLE 2.

Cox proportional hazards regression analysis for AF recurrence

	Univariate			Multivariate
	HR	95% CI	P value	HR	95% CI	P value
Non‐first‐pass group	1.59	1.04‐2.44	.03	1.65	1.07‐2.55	.02
PAF	0.79	0.56‐1.12	.19	0.77	0.54‐1.10	.15
Gender, male	0.97	0.63‐1.51	.91	0.92	0.59‐1.45	.73
LAD, mm	1.01	0.98‐1.04	.66	1.01	0.98‐1.04	.54
Age, years	1.00	0.98‐1.02	.99	1.00	0.98‐1.02	.91
Obesity group	0.77	0.53‐1.11	.16	0.73	0.50‐1.08	.12

Abbreviations: AF, atrial fibrillation; CI, confidence interval; HR, hazard ratio; LAD, left atrial dimension; Obesity group had a BMI of ≥25 kg/m²; PAF, paroxysmal AF.