The top 10 specific underlying causes of death and all-contributing causes of death for pupils with and without intellectual disabilities
| Intellectual disabilities | Controls | ||||||
| Underlying cause of death | n | All-contributing factors | n | Underlying cause of death | n | All-contributing factors | n |
| Cerebral palsy | 19 | Cerebral palsy | 34 | All neoplasms | 92 | Signs and symptoms: injury | 114 |
| Brain deformity | 9 | Pneumonia | 27 | Traffic accident | 76 | All neoplasms | 94 |
| All neoplasms | 7 | Respiratory failure | 17 | Self-harm | 54 | Traffic accidents | 76 |
| Muscular dystrophy | 6 | Epilepsy | 16 | Accidents, other | 41 | Self-harm | 54 |
| Epilepsy | 5 | Respiratory disorders | 15 | External, undetermined intent | 25 | Signs and symptoms: asphyxiation | 51 |
| Chromosomal abnormalities | 5 | Brain deformity | 12 | Asthma | 14 | Accident, other | 43 |
| Neuronal ceroid lipofuscinosis | <5 | Chromosomal abnormalities | 10 | Assault | 13 | Signs and symptoms: poisoning | 29 |
| Pneumonia, including influenza | <5 | Pneumonitis due to food and gastric contents | 9 | Infections | 12 | All infections | 29 |
| Congenital heart disease | <5 | All neoplasms | 8 | Epilepsy | 8 | External, undetermined intent | 26 |
| Accidents, other | <5 | All infections | 8 | Cystic fibrosis | 8 | Pneumonia | 21 |
| Unknown causes | 5 | Ill-defined or ambiguous death | 8 | Unknown causes | 39 | Ill-defined or ambiguous death | 58 |