SOD1 and osteoporosis: The results of correlation analysis showed that SOD was significantly associated with age (p < 0.001), osteoporosis (p < 0.001), TC (p < 0.001), LDL (p < 0.001), HDL (p = 0.004), Hcy (p < 0.001), serum calcium (p < 0.001), and lumbar CT value (p < 0.001) across all demographic and clinical parameters in Table 4.