Categorical variables are presented as number (percentages) and continuous variables are presented as the median (25th– 75th percentile). p<0.05 indicates statistical significance.
AVRT = atrioventricular reentrant tachycardia; WPW = Wolff-Parkinson-White; ME = mini electrode; RF = radiofrequency; AP = accessory pathway; SVT = supraventricular tachycardia; MCV = middle cardiac vein