SOST and type 1 diabetes mellitus: Serum sclerostin level was significantly higher in all T1DM patients compared to healthy controls while the median serum sclerostin level was significantly higher among patients with DN [90.83 (82.32–115.1) vs. 33.29 (28.37–38.53), p < 0.001] (Table 1 and Fig. 1).