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Table 1. Demographics and results of control group and study group.

Control group Study group p value
Number of patients 62 41 -
Number of procedures 68 41 -
Follow-up duration (months), mean ± SD 22.7 ± 15 10.7 ± 4.4 -
Age (years), mean ± SD 14 ± 3.5 12 ± 3.4 0.004
Height (cm), mean ± SD 157.3 ± 16.8 149.4 ± 16 0.016
Weight (kg), mean ± SD 52.7 ± 15.9 45.1 ± 15.5 0.017
Sex (male: female)  32:30   24:17  0.49
Fluoroscopy time (minutes), mean ± SD 30.9 ± 23.9 0 < 0.001
Procedure duration (minutes), mean ± SD 104.7 ± 65.1 98.6 ± 57.6 0.62
Arrhythmia mechanism, n (%)
 AVNRT 37 (59.7) 10 (24.4) -
 Parahisian AP 9 (14.5) 9 (22). -
 Non-pararhisian AP 12 (19.4) 21 (51.2) -
 Multiple mechanisms 4 (6.5) 1 (2.4) -
Types of ablation (n)
 Radiofrequency ablation 22 22 -
 Cryoablation 46 19 -

AP, accessory pathway; AVNRT, atrioventricular nodal reentrant tachycardia.