Objective: We explored the relation between A1C and insulin regimen, duration of diabetes, age, gender, BMI, and the differences between clinical mean A1C at pediatric diabetes clinics in Sweden. Research Design and Methods: Data, registered in a national quality registry, the Swedish Childhood Diabetes Registry (SWEDIABKIDS) from 18,651 clinical outpatient visits (1,033 girls, 1,147 boys) at 2...