IL6 and glycogen storage disease VI: Of note, the IL-6 concentration was negatively associated with total cholesterol levels (p < 0.001 for the entire study group, p < 0.001 for the successfully aging subgroup, and p < 0.001 for study participants with aging-related diseases/disability), LDL cholesterol (p < 0.001, p = 0.007 and p < 0.001), and HDL cholesterol (p < 0.001, p < 0.001 and p < 0.001) (Table 2).