Table 3

Multivariate Cox regression analysis for clinical and ECG predictors of shorter time to VT/VF postdiagnosis

FeatureHR95% CIP value
Initially VT/VF24.0(1.21 to 479)0.037
Initial syncope7.19(0.622 to 83.1)0.114
Other arrhythmia1.04(0.141 to 7.70)0.969
QRS duration average1.06(0.975 to 1.16)0.171
QTc interval average0.997(0.957 to 1.04)0.874
P wave duration SD1.07(1.00 to 1.13)0.044
QRS axis SD1.01(0.990 to 1.03)0.364
  • P-values less than 0.05 are shown in bold text.

  • QTc, corrected QT interval; VF, ventricular fibrillation; VT, ventricular tachycardia.