Univariate analysis Univariate analysis Multivariate analysis Multivariate analysis
Odds ratio 95% confidence interval 95% confidence interval p-value Odds ratio 95% confidence interval 95% confidence interval p-value
Irregular VT 29.86 5.95 149.80 < 0.001 30.58 6.09 153.53 < 0.001
Average VT rate (bpm) 0.99 0.97 1.02 0.662 1.00 0.98 1.03 0.701
Male sex 1.42 0.15 13.60 0.609 1.81 0.26 12.82 0.550
Ischemic cardiomyopathy 1.70 0.25 11.67 0.590 0.83 0.12 5.99 0.855
Antiarrhythmic drug use 1.05 0.15 7.48 0.958 0.91 0.17 4.96 0.914
β blocker use 1.55 0.17 13.75 0.694 1.86 0.25 14.10 0.548
ACE-I or ARB use 1.01 0.14 7.05 0.993 0.96 0.13 6.84 0.967