Skip to main content
. Author manuscript; available in PMC: 2017 May 1.
Published in final edited form as: Bone. 2016 Mar 8;86:98–105. doi: 10.1016/j.bone.2016.03.005

Figure 1.

Figure 1

The relationships of serum intact FGF23 (panel A and B) and C-terminal FGF23 (panel C and D) concentrations to serum iron concentration are shown for black women (panels A and C) and white women (panel B and D). The solid line indicates the linear relationship. The dashed line is a curve fitted to the datapoints, which in panel C and D indicates an apparent change-point at an iron level of approximately 50 mcg/dl, with the slope of a fitted line for C- terminal FGF23 becoming steeper at iron concentrations below 50 mcg/dl. Significance is set at p<0.01.