Table 4.

Results of Cox regression analysis for freedom from AF recurrence

Covariates	β	Standard error	P value	Hazard ratio
Age	− 0.010	0.028	0.725	0.990
Male	− 0.531	0.670	0.404	0.588
Duration of AF	0.010	0.008	0.240	1.010
≥ 5% reduction of LAD	− 1.228	0.560	0.028	0.293
ERAF	0.642	0.525	0.221	1.900
Continuation of AADs	0.775	0.517	0.134	2.170

AADs antiarrhythmic drugs, AF atrial fibrillation, ERAF early recurrence of atrial fibrillation, LAD left atrial dimension