27 June 2021>: Clinical Research
Analysis of Bone Strength and Bone Turnover Markers in Ankylosing Spondylitis with Radiological Hip Involvement
Wei Liu 1ABCDEFG , Hui Song 1ACDEFG* , Siliang Man 1BCD , Hongchao Li 1BDE , Liang Zhang 2BDDOI: 10.12659/MSM.932992
Med Sci Monit 2021; 27:e932992
Figure 1 (A, B) Correlation curves between 25(OH)VD3 and stiffness index in AS patients. Locally-weighted polynomial regression (LOESS) was used to fit the curves.