Table 4 Univariate and multivariate logistic regression analysis about the recurrence of VT after RFCA

Age

0.99 (0.97, 1.02)

0.69

–

–

Gender (M)

3.57 (0.43, 29.67)

0.24

–

–

LVEF

0.99 (0.96, 1.03)

0.71

–

–

Protopathy

Dilated cardiomyopathy

0.66 (0.26, 1.69)

0.38

–

–

ARVC

1.43 (0.58, 3.54)

0.44

–

–

ICD implantation

0.96 (0.39, 2.35)

0.93

–

–

History of VT ablation

2.56 (0.69, 9.53)

0.16

–

–

BIS

> 50

1

1

40–50

1.30 (0.48, 3.57)

0.61^a

1.19 (0.41, 3.45)

0.75

< 40

6.19 (1.41, 27.24)

0.02*^a

4.01 (0.81, 19.84)

0.09

Non-induction

5.94 (2.25, 15.69)

< 0.01*^a

5.01 (1.88, 13.83)

< 0.01*