To compare metabolic control between males and females with type 1 diabetes during adolescence and as young adults, and relate it to microvascular complications.
Data concerning 4000 adolescents with type 1 diabetes registered in the Swedish paediatric diabetes quality registry, and above the age of 18years in the Swedish National Diabetes Registry was used.
When dividing HbA1c values in three groups; 9.3% (78mmol/mol), there was a higher proportion of females in the highest group during adolescence. In the group with the highest HbA1c values during adolescence and as adults, 51.7% were females, expected value 46.2%; in the group with low HbA1c values in both registries, 34.2% were females, p