TABLE 2.
Multivariable Cox proportional hazards regression analysis of death.
| Variables | Hazard ratio | P-value |
| Cluster (1) | 0.754 (0.304–1.871) | 0.543 |
| Cluster (2) | 0.725 (0.235–2.241) | 0.577 |
| Age | 0.967 (0.897–1.042) | 0.378 |
| Female | 1.337 (0.849–2.105) | 0.21 |
| TOF | 0.55 (0.267–1.134) | 0.105 |
| VSD | 0.701 (0.313–1.571) | 0.388 |
| ASD | 0.891 (0.543–1.463) | 0.648 |
| RVH | 1.239 (0.752–2.039) | 0.4 |
| ACA | 1.029 (0.625–1.693) | 0.911 |
| HRH | 1.283 (0.486–3.385) | 0.615 |
| SV | 1.135 (0.448–2.877) | 0.79 |
| Dextrocardia | 1.145 (0.508–2.584) | 0.744 |
| CA | 1.61 (0.539–4.815) | 0.394 |
| LSVC | 2.308 (1.338–3.98) | 0.003* |
| TR/TI | 1.157 (0.545–2.459) | 0.704 |
| MA | 2.233 (0.366–13.633) | 0.384 |
| AAC | 3.737 (1.361–10.263) | 0.011* |
| ASOCS | 2.208 (0.814–5.053) | 0.129 |
| ACD/ECD | 1.391 (0.414–4.679) | 0.594 |
| AAVM | 1.752 (0.586–5.242) | 0.316 |
*P-value < 0.05 was considered statistically significant. TOF, tetralogy of Fallot; VSD, ventricular septal defect; ASD, atrial septal defect; RVH, right ventricular hypertrophy; ACA, aortopulmonary collateral arteries; HRH, hypoplastic right heart; SV, single ventricle; CA, common atrium; LSVC, persistent left superior vena cava; TR/TI, tricuspid regurgitation/tricuspid insufficiency; MA, mitral atresia; AAC, abnormal atrioventricular connection; ASOCS, abnormal spatial orientation of the cardiac segments; ACD/ECD, atrioventricular canal defect/Endocardial cushion defect; AAVM, abnormal atrioventricular valve morphology.