Research Article
Postmenopausal Iron Overload Exacerbated Bone Loss by Promoting the Degradation of Type I Collagen
Figure 1
Verification of grouping by principal component analysis. First, we grouped according to the -value of the femur and lumbar vertebrae (Normal , Bone Loss , Osteoporosis ). Then, the PCA was performed on the data for further verification. Finally, the sample grouping scheme was determined on the basis of the results of the combined PCA and BMD. BMD and PCA were consistent with each other.