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Table 1 Comparison of general clinical conditions among the three groups

From: Electrocardiogram features of premature ventricular contractions/ventricular tachycardia originating from the left ventricular outflow tract and the treatment outcome of radiofrequency catheter ablation

Group

Sex (male%)

Age (years)

Duration (years)

PVCs total number (number/24 h)

With hypertension

With diabetes

With left ventricular enlargement

NSVT (SVT)*

PVCs

Left coronary sinus (n = 32)

9(28.13)

60.08 ± 13.82

3.06 ± 2.37

20378 ± 9825

12(37.50)

3(9.38)

2(6.25)

4(1)

28(87.50)

Right coronary sinus (n = 11)

4(36.36)

62.09 ± 14.27

2.96 ± 2.52

21848 ± 11741

5(45.45)

2(18.18)

1(11.11)

2(0)

9(81.82)

Under left coronary sinus (n = 9)

3(33.33)

60.52 ± 17.72

3.28 ± 2.43

20537 ± 11374

3(33.33)

1(11.11)

1(11.11)

2(0)

8(77.78)

  1. *Abbreviation: NSVT non-sustained ventricular tachycardia, SVT sustained ventricular tachycardia.