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. Author manuscript; available in PMC: 2015 Mar 1.
Published in final edited form as: Bone. 2013 Dec 8;60:87–92. doi: 10.1016/j.bone.2013.12.001

Figure 2. Relationship of iron to FGF23 concentrations in XLH compared to healthy controls.

Figure 2

Iron concentration is inversely related to C-terminal FGF23 in XLH (A) and control (B) subjects, with a greater magnitude of effect in XLH subjects (p<0.001). Iron was not related to intact FGF23 in either XLH (C) or control (D) subjects. The log-ratio of intact to C-terminal FGF23 concentration was positively correlated to iron concentration with a greater magnitude of effect in XLH (E) than in control (F) subjects (p<0.01). Squares represent adults and triangles represent children with XLH. The same vertical axis scales were used for XLH and controls in order to more easily visualize the relative distributions of variables.