Table 5 Multivariate cox analysis of known risk factors for ventricular tachycardia
From: The relationship between J wave and ventricular tachycardia during Takotsubo cardiomyopathy
Variables | HR | 95% CI | P value |
|---|---|---|---|
Univariate regression analysis | |||
Age | 1.02 | 0.99~1.05 | 0.21 |
Male sex | 1.84 | 0.73~4.63 | 0.19 |
Hypertension | 0.70 | 0.28~1.72 | 0.44 |
Diabetes Mellitus | 0.89 | 0.33~2.63 | 0.89 |
Smoking | 1.20 | 0.43~3.33 | 0.72 |
QTc duration | 1.01 | 1.00~1.02 | 0.002 |
Peak CK level | 1.00 | 1.00~1.00 | 0.26 |
LVEF | 0.99 | 0.94~1.06 | 0.90 |
ST-segment elevation | 1.06 | 0.44~2.56 | 0.90 |
Presence of J wave | 5.16 | 1.87~14.27 | 0.002 |
Multivariate regression analysis | |||
QTc duration | 1.01 | 1.00~1.01 | 0.06 |
Presence of J wave | 3.53 | 1.23~10.17 | 0.019 |