highly significantp <0.0001
The non-parametric Spearman correlation test confirmed a highly significant negative correlation between 25-OH-vitamin D3 and CTX, regardless of the age (r = −0.2295, p <0.0001) ( Fig. 2 A).
The non-parametric Spearman correlation test confirmed a highly significant negative correlation between 25-OH-vitamin D3 and CTX, regardless of the age (r = −0.2295, p <0.0001) ( Fig. 2 A).