The present study, which analyses the glucometric control of children with T1D in Andalusia, shows for the first time the percentage of pediatric patients in treatment with MDI and isCGM who achieve goals proposed in the 2019 consensus with regard to TIR, TAR1, TAR2, TBR1, and TBR2, in a cohort of patients with T1D in the Southern Region of Spain. The gene discussed is TBR1; the disease is type 1 diabetes mellitus.