| Category I: infants who died despite all efforts to achieve their survival. |
| Category II: infants who died after withdrawal of life sustaining treatment. |
| • Infants who would almost certainly have died even if life sustaining treatment had been continued—for example, an infant with trisomy 13. |
| • Infants who would almost certainly have survived if life sustaining treatment had been continued—for example, an infant with holoprosencephaly. |
| • Infants whose survival was not predictable—with life sustaining treatment they might have survived, or might have died—for example, an infant with severe hypoxic ischaemic encephalopathy. |
