Differences in baseline characteristics in patients with or without SEC.

Table 2: Differences in baseline characteristics in patients with or without SEC.

	No SEC		SEC
	mean	SD	mean	SD	p-value
Age	63.89	10.6	68.48	7.69	< 0.001^**
Number of previous AF Ablations	1.77	0.77	1.71	0.75	0.53
LV-EF (%)	54.52	7.58	50.6	9.63	< 0.001^**
LA-Diameter (mm)	38.66	11.78	45.88	9.52	< 0.001^**
CHADS₂	1.29	1.1	1.67	1.01	0.01^*
CHA₂DS₂-VASc	2.41	1.64	3.1	1.36	< 0.001^**

Note: ^* = Significant and ^** = Highly significant.