TABLE 1.

Demographic baseline of patients.

Variables	Total patients (n = 20)
Sex, male (%)	12 (60.0)
Age at onset, year	47.5 ± 14.3
Heart rate at onset, bpm	176.9 ± 12.8
Structural heart disease, yes (%)	0 (0)
AVNRT Type, typical (%)	20 (100)
Radiofrequency ablation, yes (%)	12 (60.0)

bpm: beat per minute.