Stepwise logistic analysis of patients with sVT or VF versus all other groups (patients without or with minor ventricular arrhythmias or non-sustained ventricular tachycardia)
| sVT or VF | Coefficient | SE | z | P > (z) | 95% CI |
|---|---|---|---|---|---|
| EDVRV | 0.0238873 | 0.0120152 | 1.988 | 0.047 | 0.000338 to 0.0474367 |
| QTd | 0.0201506 | 0.0102299 | 1.970 | 0.049 | 0.0001004 to 0.0402009 |
| QRS | 0.022631 | 0.0336218 | 0.673 | 0.501 | 0.0432665 to 0.0885286 |
| QRSd | 0.0046714 | 0.0347697 | 0.134 | 0.893 | 0.0634761 to 0.0728188 |
Number of observations = 66; log likelihood = −16.053932; probability > χ2 = 0.02.
CI, confidence intervals; EDVRV, end diastolic volume of right ventricle; QTd, QT dispersion; QRS, QRS duration; QRSd, QRS dispersion; SE, standard error.