Table 1. Demographic, procedural characteristics and follow-up data.

Age, years (min, max)	9.8 ± 2.6 (5-18)
Male	52 (48%)
Weight, kg (min, max)	24.6 ± 5.3 (15-68)
Procedure time, minute	109.8 ± 46
Follow up, month (min, max)	13.3 ± 5.8 (4-17)
Acute procedural success	109/109 (100%)
Typical AVNRT (slow-fast)	94 (86%)
Fast-slow AVNRT	13 (12%)
Slow-slow AVNRT	2 (2%)
6 mm cryoablation catheter	93 (85%)
8 mm cryoablation catheter	16 (15%)
Ablation during tachycardia	67 (61%)
Ablation during sinus rhythm	42 (39%)
First degree atrioventricular block	3 (2.7%)
Permenant complete atrioventricular block	0 (0%)
Incomplete right bundle branch block	3 (2.7%)
Nodal rhythm	9 (8.2%)
Recurrence	1 (0.9%)

AVNRT, atrioventricular nodal reentrant tachycardia; kg, kilogram; max, maximum; min, minimum; mm, milimeter.