Results of the second round of ranking
| Morbidities | Rank before tie-breaks | Rank after tie-breaks |
| New permanent neurological impairment (global or focal) | 1 | 1 |
| New impaired cognitive function more than a month after surgery | 2 | 2 |
| Unplanned reoperation/reintervention (categorisation) | 3 | 3 |
| Length of ICU stay | 4 | 4 |
| Major adverse event | 4 | 5 |
| Problems feeding (graded) | 4 | 6 |
| Developmental delay | 4 | 7 |
| ECMO/mechanical support | 4 | 8 |
| Low cardiac output (categorised) | 4 | 8 |
| Mental health consequences | 4 | 10 |
| Necrotising enterocolitis | 4 | 11 |
| Hospital acquired infection (graded/categorised) | 4 | 12 |
| Prolonged hospital length of stay | 4 | 13 |
| Acute kidney injury (graded) | 4 | 14 |
| Prolonged pleural effusion | 4 | 15 |
| Poor communication between clinical team and family | 4 | 16 |
| Recurrent laryngeal nerve palsy | 4 | 17 |
| Vascular thrombosis (graded) | 4 | 18 |
| Surgical bleeding (graded) | 4 | 19 |
| Complications during surgery | 4 | 20 |
| Complete heart block (categorised) | 4 | 21 |
| Questionable clinical team decision & diagnosis | 4 | 22 |
| Phrenic nerve injury | 4 | 23 |
| Level of support at home | 4 | 24 |
| JET | 25 | 25 |
| Sensory neural deafness | 26 | 26 |
| Elevated pulmonary vascular resistance | 27 | 27 |
| Liver injury (graded) | 27 | 27 |
The morbidities passed to the definition panel for consideration are shown in bold.
ICU, intensive care unit.