a The ZF group, ZF subgroup adults, and ZF subgroup paediatric were all compared with the CF group.
* a statistically significant difference (pvalue < 0.05)
AAD – antiarrhythmic drug; AP – accessory pathway; AT – atrial tachycardia; AVNRT – atrioventricular nodal reentry tachycardia; AVRT – atrioventricular tachycardia; CF – conventional fluoroscopy-guided; ZF – zero-fluoroscopy.