Cognitive functioning in children with early onset type 1 diabetes and severe hypoglycemia.

Objective: To investigate whether severe hypoglycemia in young children with early-onset type 1 diabetes (T1DM) is associated with subsequent abnormalities in cognitive status.

Study Design: Recruitment was from a large population-based database of children and adolescents with T1DM. Children and adolescents with early-onset T1DM (<6 years) were eligible for the study.