The annual incidence of SDH/E in the British Isles*
| Category | Age | Incidence/100 000 | 95% CI |
|---|---|---|---|
| *Estimated combined population of England, Wales, Scotland, Northern Ireland, and Republic of Ireland mid-1998: age 0–1, 731 630; age 1–2, 751 432; age 0–2, 1 483 062. | |||
| 95% CI based on Poisson approximation. | |||
| All cases | 0–2 | 12.5 | 10.3 to 14.62 |
| 0–1 | 24.1 | 20.89 to 28.18 | |
| 1–2 | 1.3 | ||
| NAHI | 0–2 | 7.1 | 6.4 to 9.31 |
| 0–1 | 14.2 | 12.11 to 17.82 | |
| 1–2 | 0.3 | ||