Table 4.

anatomical parameters associated with AF recurrence.

	Univariate			Multivariate
Unadjusted HR	CI 95%	p Value	Adjusted HR	CI 95%	p Value
Segmented surface areas of the LA
Left-sided antrum	1.04	0.93–1.16	0.52
Right-sided antrum	0.98	0.82–1.16	0.78
Posterior area	0.97	0.79–1.18	0.73
Inferior area	1.08	0.99–1.17	0.07
Septal area	1.05	0.99–1.11	0.12
Lateral area	1.07	0.94–1.23	0.31
Dimensions of the LA
AP	1.03	0.96–1.12	0.41
RIPV-MA	1.11	1.03–1.19	0.006	1.07	1.00–1.15	0.06
RSPV–MA	1.03	0.98–1.09	0.23
LSPV–MA	1.02	0.98–1.06	0.42
LIPV–MA	1.10	1.04–1.16	<0.001	1.07	1.02–1.12	0.01
Cross-sectional areas of the PV
LSPV	0.70	0.37–1.32	0.27
LIPV	0.64	0.31–1.33	0.23
RSPV	0.39	0.20–0.76	0.006	0.41	0.21–0.77	0.006
RIPV	0.58	0.30–1.11	1.00

AF=atrial fibrillation, LA=left atrium, AP=anterior–posterior, RIPV=right inferior pulmonary vein, RSPV=right superior pulmonary vein, LSPV=left superior pulmonary vein, LIPV=left inferior pulmonary vein, MA=mitral annulus.