Multivariate analysis of parameters assessed at T1D onset revealed that the presence of GADA (p = 0.022; OR 24.65; CI 1.6–380.66) and total daily insulin dose (p = 0.031; OR 0.06; CI 0.01–0.77) were independent predictors of PCR occurrence (Table 3). The gene discussed is INS; the disease is type 1 diabetes mellitus.