Twenty-year survival of children born with congenital anomalies: a population-based study

To estimate the survival, up to age 20 years, for a range of congenital anomaly groups and subtypes. Population-based registry (Northern Congenital Abnormality Survey, NorCAS). The former Northern Region of England (the area extending from North Cumbria to the Tees area and up to the Scottish border), a geographically distinct area with a stable population of three million, and approximately 35 000 deliveries per year. 13 738 individuals with at …