SELE and type 1 diabetes mellitus: To evaluate if the concentrations of sKlotho and E-selectin correspond to the degree of metabolic control, the group of T1D patients was divided according to the distribution of HbA1c: HbA1c ≤7.4% (quartile 1, Q1, N=21), HbA1c 7.4-11.9% (quartile 1 – quartile 3, Q1-3, N=39) and HbA1c ≥11.9% (quartile 4, Q4, N=20).