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