Cause of death
| ET, endotracheal. | |
| In-hospital mortality (<30 days) | |
| Failure to recover from operation | 6 |
| Sepsis | 1 |
| Ventricular failure | 1 |
| Blocked ET tube and arrest | 1 |
| Total | 9 |
| Late mortality (>30 days) | |
| Pulmonary hypertension | 3 |
| Parents declined further surgery) | 2 |
| Sepsis | 2 |
| Sudden unexplained death at home | 1 |
| Ventricular failure | 1 |
| Chronic lung disease | 1 |
| Hydrocephalus (trisomy 9 mosaic) | 1 |
| Total | 11 |