| Main causes | Biochemical abnormalities | ||||
| Hyponatremia | Hypernatremia | Hypomagnesemia | Hypocalcemia | Hypoglycemia | |
| Birth asphyxia | 2 | 3 | 0 | 7 | 4 |
| Meningitis | 0 | 1 | 0 | 2 | 1 |
| Sepsis | 1 | 0 | 0 | 1 | 0 |
| Hypocalcemia | 0 | 0 | 0 | 21 | 0 |
| Hypornatremia | 5 | 0 | 0 | 0 | 0 |
| Hypernatremia | 0 | 7 | 0 | 0 | 0 |
| Hypoglycemia | 0 | 0 | 0 | 0 | 12 |
| Hypomagnesemia | 0 | 0 | 3 | 0 | 0 |
| IEM | 0 | 0 | 0 | 1 | 0 |
| CNS s.d | 0 | 0 | 0 | 1 | 0 |
| ICH | 0 | 0 | 0 | 0 | 0 |
| Kernicterus | 0 | 0 | 0 | 1 | 0 |
| Total | 8 | 11 | 3 | 34 | 17 |