Univariate analysis | Multivariate analysis | |||||
---|---|---|---|---|---|---|
Variables | Hazard ratio | 95% CI | p-value | Hazard ratio | 95% CI | p-value |
Atrial fibrillation (paroxysmal and persistent) | 1.095 | 0.584 ~ 2.052 | 0.777 | |||
LVEF (%) | 0.986 | 0.970 ~ 1.001 | 0.074 | |||
LVEF ≦ 30% | 1.995 | 1.064 ~ 3.740 | 0.031 | |||
LVEDV (mL) | 1.004 | 1.000 ~ 1.007 | 0.028 | |||
LVEDV > 163.5 mL | 2.042 | 1.170 ~ 3.562 | 0.012 | 2.549 | 1.249 ~ 5.201 | 0.010 |
LVESV (mL) | 1.004 | 1.001 ~ 1.008 | 0.025 | |||
Heart failure NYHA functional class ≧ 3 | 1.293 | 0.688 ~ 2.430 | 0.425 | |||
QRS width (msec) | 1.008 | 1.000 ~ 1.016 | 0.059 | |||
QRS width > 125 msec | 2.067 | 1.003 ~ 4.260 | 0.049 | 2.173 | 1.030 ~ 4.586 | 0.042 |
Ischemic cardiomyopathy | 0.998 | 0.580 ~ 1.717 | 0.995 | |||
Dilated cardiomyopathy | 0.851 | 0.437 ~ 1.655 | 0.634 | |||
Anti-arrhythmic drugs | 0.611 | 0.298 ~ 1.252 | 0.178 | |||
Post VT ablation | 0.844 | 0.272 ~ 2.615 | 0.768 |