SAA2 and osteoporosis: Fig.1 shows the ROC curve of lipid profile and SAA among osteoporosis group. Fig.2 shows the relationship between serum amyloid A concentration and different genotypes of rs12218 (CC, CT, TT) in Osteoporosis group. Fig.3 shows the relationship between serum amyloid A concentration and different genotypes of rs12218 (CC, CT, TT) in control group.