Table 2. Procedural variables.

All values represent mean±standard deviation or number and (percentage). PWI: posterior wall isolation. *Includes transesophageal echocardiography and administration of general anesthesia and mechanical ventilation.

	Study population Overall (n = 73)	First ablation group (n=25)	Repeat ablation group (n =48)	p-value
Completion of PWI, n (%)	65 (89.0%)	23 (92.0)	42 (87.5)	0.29
Restoration of sinus rhythm during ablation, n (%)	8 (10.9%)	3 (12.0)	7 (14.5)	0.45
CARTO 3/Navx, n	49/24	16/9	33/15	0.86
Cavo-tricuspid isthmus ablation, n (%)	30 (41.1%)	11 (44.0)	17 (35.0)	0.12
Procedure time (min)*	178.1 ± 40.9	169.1 ± 38.9	152.1 ± 42.9	0.13
Ablation time (min)	44.1 ± 12.4	49.1 ± 18.6	36.2 ± 15.4	0.12
Fluoroscopy time (min)	26.6 ± 13.8	28.3 ± 11.0	22.4 ± 11.7	0.23