Aetiology of hydrocephalus
| Aetiology | Number of cases | Percentage of cases |
|---|---|---|
| Congenital malformations | 35 | 27.8 |
| Tumours | 28 | 22.2 |
| Subarachnoid haemorrhage | 19 | 15.1 |
| Meningitis | 10 | 7.9 |
| Normal pressure hydrocephalus | 12 | 9.5 |
| Intraventricular haemorrhage | 6 | 4.7 |
| Cysts | 6 | 4.7 |
| Miscellaneous | 10 | 7.9 |