Reallocation of cases after validation
| Birthweight amended according to | |||||
|---|---|---|---|---|---|
| Registered birth weight (g) | Birth weight on death certificate | Gestational age on death certificate | “Extreme prematurity” recorded on death certificate | “Prematurity” recorded on death certificate | Birth weight of co-twin |
| <500 | 3 | 8 | 3 | 0 | 1 |
| 500–999 | 7 | 32 | 17 | 4 | 7 |
| 1000–1499 | 0 | 6 | 2 | 3 | 1 |
| 1500–1999 | 0 | 3 | 0 | 1 | 4 |
| ⩾2000 | 0 | 1 | 0 | 0 | 12 |
| Total | 10 | 50 | 22 | 8 | 25 |