Table 1.

Baseline characteristics.

Patient characteristics (N = 51)
Age, y	53 (39–59)
Male, n (%)	31 (61)
Clinical symptoms, n (%)
Palpitations	51 (100)
Presyncope	1 (2)
Syncope	0
Clinical VAs, n (%)
Only PVCs	41 (80)
PVCs, non-sustained VT	8 (16)
PVCs, sustained VT	2 (4)
LVEDD (mm) before ablation	49 (45–54)
LVEF (%) before ablation	64 (60–65)
No. of patients LVEF <50%	0
VA burden before ablation, beats/24 h	24445 (15000–36000)

Values are presented as the median (Q1–Q3) or n (%). VA, ventricular arrhythmia; PVC, premature ventricular contraction; LVEDD, left ventricular end-diastolic dimension; LVEF, left ventricular ejection fraction.