SOD3 and type 2 diabetes mellitus: Notably, a statistically significant difference was observed between the T2DM patients and the control group (31.33 ± 13.13 ng/mL vs. 23.21 ± 7.85 ng/mL; p < 0.01), suggesting a marked reduction of SOD3 levels in the presence of T2DM (Figure 1c).