Table 2.

Procedural parameters in the clinical recurrence and non-recurrence groups

Ablation procedures	No clinical recurrence N = 90	Clinical recurrence N = 29	P-value
Paroxysmal AF	N = 48	N = 9
Pulmonary vein isolation (%)	48 (100)	9 (100)	N/A
LA leaner ablation (%)	0 (0)	1 (11.1)	0.158
Mitral isthmus ablation (%)	0 (0)	1 (11.1)	0.158
SVC isolation (%)	1 (2.1)	0 (0)	0.842
Non-PV foci ablation (%)	10 (20.8)	2 (10.0)	0.614
Cavotricuspid isthmus ablation (%)	48 (100)	9 (100)	N/A
Other additional ablation (%)	1 (2.0)	0 (0)	0.842
Persistent AF	N = 42	N = 20
Pulmonary vein isolation (%)	42 (100)	20 (100)	N/A
LA leaner ablation (%)	6 (14.3)	5 (25.0)	0.245
Mitral isthmus ablation (%)	0 (0)	2 (10.0)	0.100
SVC isolation (%)	0 (0.0)	1 (5.0)	0.323
Non-PV foci ablation (%)	11 (26.2)	3 (15.0)	0.259
Cavotricuspid isthmus ablation (%)	42 (100)	20 (100)	N/A
Other additional ablation (%)	0 (0)	1 (5.0)	0.323
Procedure time (min)	210.3 ± 47.0	224.5 ± 42.0	0.152

Values are expressed as number (percentage). AF, atrial fibrillation; LA, left atrium; PV, pulmonary vein; SVC, superior vena cava