Table 4.
Univariate and multivariate logistic regression analysis for prediction of primary endpoint
| Variable | Univariate analysis | Multivariate analysis | ||||
|---|---|---|---|---|---|---|
| OR | 95% CI | p value | Adjusted OR | 95% CI | p value | |
| Age at diagnosis | 1.004 | 0.936–1.077 | 0.909 | |||
| Hypertension | 1.160 | 0.344–3.911 | 0.811 | |||
| Hyperlipidemia | 2.385 | 0.594–9.566 | 0.220 | |||
| Diabetes mellitus | 1.221 | 0.956–1.479 | 0.999 | |||
| Coronary artery disease | 0.761 | 0.991–1.020 | 0.298 | |||
| Stroke | 0.510 | 0.155–1.675 | 0.267 | |||
| Thromboembolic events | 1.860 | 0.330–10.209 | 0.475 | |||
| Family history of cardiomyopathy | 9.811 | 1.201–80.131 | 0.033 | 7.320 | 0.630–85.048 | 0.112 |
| Atrial fibrillation | 1.194 | 1.040–1.367 | 0.999 | |||
| ECG parameters | ||||||
| Duration of PR interval | 1.009 | 0.996–1.021 | 0.177 | |||
| Duration of QRS interval | 1.033 | 1.001–1.067 | 0.044 | |||
| Duration of QTc interval | 1.027 | 1.010–1.044 | 0.002 | 1.015 | 0.996–1.034 | 0.115 |
| Abnormal Q wave | 0.978 | 0.320–2.983 | 0.968 | |||
| T‐wave inversion | 1.440 | 0.562–3.290 | 0.448 | |||
| RBBB | 2.014 | 0.564–7.193 | 0.281 | |||
| Left axis deviation | 0.635 | 0.262–1.538 | 0.314 | |||
| Left ventricular hypertrophy | 0.311 | 0.072–1.345 | 0.118 | |||
| Positive T wave in aVR | 13.28 | 3.566–49.493 | 0.000 | 6.212 | 1.456–26.513 | 0.014 |
| Echocardiographic parameters | ||||||
| LVEDD (mm) | 1.179 | 1.065–1.306 | 0.002 | 1.050 | 0.918–1.202 | 0.478 |
| LVESD (mm) | 1.785 | 1.000–3.187 | 0.050 | |||
| LA diameter (mm) | 1.180 | 1.035–1.346 | 0.013 | |||
| LVEF (%) | 0.861 | 0.795–0.932 | 0.000 | 0.919 | 0.822–1.027 | 0.138 |
| SPAP | 1.024 | 0.958–1.096 | 0.485 | |||
CI: confidence interval; ECG: electrocardiography; LA: left atrium; LVEDD: left ventricular end‐diastolic diameter; LVEF: left ventricular ejection fraction; LVESD: left ventricular end‐systolic diameter; NYHA: New York Heart Association; OR: odds ratio; RBBB: right bundle branch block; SPAP: systolic pulmonary artery pressure.
Bolded values indicate statistically significant odds ratio.