Univariate analysis Univariate analysis Univariate analysis Multivariate analysis Multivariate analysis Multivariate analysis
Crude OR 95% CI P value Adjusted OR 95% CI P value
Age 1.02 0.99-1.04 0.253
Male 2.83 1.18-6.76 0.019 1.72 0.66-4.46 0.266
Hypertension 0.85 0.31-2.34 0.755
Diabetes 0.92 0.23-3.67 0.909
Symptom of syncope 1.89 0.66-5.37 0.233
Clinical VA pattern
Presence of sustained VT 2.84 01.16-6.93 0.022 1.60 0.63-4.59 0.290
Presence of NSVT 0.58 0.25-1.36 0.211
PVC burden (pre-ablation), %* 0.99 0.95-1.03 0.627
VA morphology*
RBBB morphology 2.41 1.13-5.17 0.023 1.48 0.63-3.49 0.368
Coupling interval 1.01 1.00-1.01 0.026 1.00 1.00-1.01 0.223
QRSd, ms 1.03 1.01-1.05 <0.001 1.02 1.00-1.04 0.046
IDT, ms 1.01 0.99-1.03 0.156
PdW, ms 1.01 0.99-1.03 0.435
Q aVL/aVR ratio 1.88 0.83-4.25 0.132
MDI 0.48 0.03-8.61 0.614
Successful ablation site Successful ablation site Successful ablation site Successful ablation site Successful ablation site Successful ablation site Successful ablation site
ASV 0.61 0.27-1.36 0.226
Subvalvular 0.93 0.37-2.31 0.874
GCV/AIV 1.52 0.70-3.30 0.289
Epicardium 1.28 0.45-3.68 0.648
AEAD 1.04 1.00-1.08 0.039 1.05 1.00-1.10 0.048
Multiple site ablation requirement 0.94 0.45-1.97 0.866
AAD, anti-arrhythmic drug; AEAD, absolute earliest activation time discrepancy; AIV, anterior Interventricular vein; ASV, aortic sinus of Valsalva; CCB, calcium channel blocker; GCV, great cardiac vein; IDT, intrinsicoid deflection time; LVEF, left ventricular ejection fraction; MDI, maximum deflection index; VA, ventricular arrhythmia; PdW, pseudo-delta wave; VT, ventricular tachycardia; PVC, premature ventricular complex; QRSd, QRS duration; RBBB, right bundle branch block; AAD, anti-arrhythmic drug; AEAD, absolute earliest activation time discrepancy; AIV, anterior Interventricular vein; ASV, aortic sinus of Valsalva; CCB, calcium channel blocker; GCV, great cardiac vein; IDT, intrinsicoid deflection time; LVEF, left ventricular ejection fraction; MDI, maximum deflection index; VA, ventricular arrhythmia; PdW, pseudo-delta wave; VT, ventricular tachycardia; PVC, premature ventricular complex; QRSd, QRS duration; RBBB, right bundle branch block; AAD, anti-arrhythmic drug; AEAD, absolute earliest activation time discrepancy; AIV, anterior Interventricular vein; ASV, aortic sinus of Valsalva; CCB, calcium channel blocker; GCV, great cardiac vein; IDT, intrinsicoid deflection time; LVEF, left ventricular ejection fraction; MDI, maximum deflection index; VA, ventricular arrhythmia; PdW, pseudo-delta wave; VT, ventricular tachycardia; PVC, premature ventricular complex; QRSd, QRS duration; RBBB, right bundle branch block; AAD, anti-arrhythmic drug; AEAD, absolute earliest activation time discrepancy; AIV, anterior Interventricular vein; ASV, aortic sinus of Valsalva; CCB, calcium channel blocker; GCV, great cardiac vein; IDT, intrinsicoid deflection time; LVEF, left ventricular ejection fraction; MDI, maximum deflection index; VA, ventricular arrhythmia; PdW, pseudo-delta wave; VT, ventricular tachycardia; PVC, premature ventricular complex; QRSd, QRS duration; RBBB, right bundle branch block; AAD, anti-arrhythmic drug; AEAD, absolute earliest activation time discrepancy; AIV, anterior Interventricular vein; ASV, aortic sinus of Valsalva; CCB, calcium channel blocker; GCV, great cardiac vein; IDT, intrinsicoid deflection time; LVEF, left ventricular ejection fraction; MDI, maximum deflection index; VA, ventricular arrhythmia; PdW, pseudo-delta wave; VT, ventricular tachycardia; PVC, premature ventricular complex; QRSd, QRS duration; RBBB, right bundle branch block; AAD, anti-arrhythmic drug; AEAD, absolute earliest activation time discrepancy; AIV, anterior Interventricular vein; ASV, aortic sinus of Valsalva; CCB, calcium channel blocker; GCV, great cardiac vein; IDT, intrinsicoid deflection time; LVEF, left ventricular ejection fraction; MDI, maximum deflection index; VA, ventricular arrhythmia; PdW, pseudo-delta wave; VT, ventricular tachycardia; PVC, premature ventricular complex; QRSd, QRS duration; RBBB, right bundle branch block; AAD, anti-arrhythmic drug; AEAD, absolute earliest activation time discrepancy; AIV, anterior Interventricular vein; ASV, aortic sinus of Valsalva; CCB, calcium channel blocker; GCV, great cardiac vein; IDT, intrinsicoid deflection time; LVEF, left ventricular ejection fraction; MDI, maximum deflection index; VA, ventricular arrhythmia; PdW, pseudo-delta wave; VT, ventricular tachycardia; PVC, premature ventricular complex; QRSd, QRS duration; RBBB, right bundle branch block;