CD320 and osteoporosis: The incidence of osteoporosis was significantly higher for genotype CD320 rs9426 CT+TT than genotype CC both in patients ≥69 years of age (AOR 2.399, CI 1.101–5.226) and in patients with high homocysteine concentrations (homocysteine > 12.68 μmol/L) (AOR 5.019, CI 1.533–16.430, p < 0.05; Figure 3A).