Table 2.

Outcomes after catheter ablation in patients with and without cancer

	Cancer (n = 251)	No Cancer (n = 251)	P value
Effectiveness Outcomes
Recurrence of atrial arrhythmias during the 3-month blanking period	83 (33.1)	78 (31.1)	0.29
Recurrence of atrial arrhythmias during the 3-month blanking period requiring cardioversion	36 (14.3)	38 (15.1)	0.34
Recurrence after 3 months	87 (34.7)	90 (35.8)	0.65
Recurrence after 6 months	77 (30.7)	72 (28.7)	0.43
Recurrence after 12 months	63 (25.1)	57 (22.7)	0.40
Recurrence after 24 months	33 (13.1)	43 (17.1)	0.33
Freedom from AF at 12 months	209 (83.3)	182 (72.5)	0.28
Freedom from AF without AAD at 12 months	127 (50.6)	88 (35.0)	< 0.001
Freedom from AF with AAD at 12 months	82 (32.7)	94 (37.4)	0.19
Need for repeat ablation	52 (20.7)	69 (27.5)	0.29
Safety Outcomes
Bleeding			0.12
Access site	13 (5.2)	6 (2.4)
Non-access site	7 (2.8)	4 (1.6)
PV stenosis post ablation	1 (0.4)	2 (0.8)	0.30
Stroke post ablation	4 (1.6)	1 (0.4)	0.15
Cardiac tamponade post ablation	3 (1.2)	2 (0.8)	0.60

All values are expressed as n (%)

AAD anti-arrhythmic drugs, AF atrial fibrillation, PV pulmonary vein