SOD1 and type 2 diabetes mellitus: The analysis demonstrated significant associations between these predictors and PSCIND in Table 2: age (OR = 1.060, 95% CI: 1.016–1.106; p = 0.007), education level (OR = 0.917, 95% CI: 0.845–0.995; p = 0.037), T2DM (OR = 9.407, 95% CI: 3.761–23.528; p < 0.001), SOD (OR = 0.951, 95% CI: 0.931–0.972; p < 0.001), UA (OR = 1.006, 95% CI: 1.002–1.010; p = 0.005), Hcy (OR = 1.058, 95% CI: 1.027–1.091; p = 0.013), strategic infarcts (OR = 4.566, 95% CI: 2.148–9.707; p < 0.001), and severe CSVD burden (OR = 3.818, 95% CI: 1.842–7.911; p < 0.001).