. Author manuscript; available in PMC: 2016 Dec 1.

Published in final edited form as: J Interv Card Electrophysiol. 2015 Oct 12;44(3):247–256. doi: 10.1007/s10840-015-0060-y

Table 2.

Hazard ratios, confidence intervals, and p values for univariable analysis and multivariable analysis relating important variables to time to AF recurrence

	Univariable model	Model 1^a	Model 2^b	Model 3^c	Model 4^d	Model 5^e	Model 6^f
Difference between EAM ablated area (pAbl) and LGE-MRI scar area (pScar)	1.065 (1.021–1.109) p=0.003	1.067 (1.023–1.113) p=0.003	1.066 (1.022–1.114) p=0.003	1.066 (1.023–1.111) p=0.002	1.089 (1.033–1.145) p=0.001	1.061 (1.017–1.107) p=0.005	1.066 (1.021–1.113) p=0.003
Age (per year increment)	0.984 (0.944–1.027) p=0.472	0.979 (0.937–1.023) p=0.352
Gender (male)	0.632 (0.290–1.373) p=0.247	0.577 (0.260–1.281) p=0.176
Hypertension	0.735 (0.339–1.591) p=0.435		0.725 (0.324–1.621) p=0.434
Diabetes	0.731 (0.216–2.470) p=0.614		1.159 (0.307–4.369) p=0.827
Coronary artery disease	0.699 (0.277–1.762) p=0.449			0.568 (0.241–1.803 p=0.416)
Heart failure	0.670 (0.251–1.783) p=0.423			0.782 (0.274–2.241) p=0.649
Scar percent	0.944 (0.876–1. p=0.138	019)			1.019 (0.931–1.116) p=0.670
Left atrial surface area (cm²)	1.011 (0.999–1.021) p=0.052				1.014 (1.004–1.024) p=0.004
Total number of PVs by EAM (per increase)	1.313 (0.851–2.025) p=0.218					1.158 (0.734–1.831) p=0.525
Total number of PVs by MRI (per increase)	0.888 (0.646–1.219) p=0.436						1.043 (0.731–1.499) p=0.811

AF atrial recurrence, EAM electroanatomic map, LGE-MRI late-gadolinium enhancement magnetic resonance imaging, PV pulmonary vein

Model 1: adjusting for age and gender

Model 2: adjusting for hypertension and diabetes mellitus status

Model 3: adjusting for coronary artery disease and heart failure

Model 4: adjusting for LGE-MRI scar percent and left atrial surface area

Model 5: adjusting for total number of PVs encircled in EAM

Model 6: adjusting for total number of PVs encircled in LGE-MRI