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. Author manuscript; available in PMC: 2014 Jun 1.
Published in final edited form as: Bone. 2012 Oct 16;54(2):222–229. doi: 10.1016/j.bone.2012.10.008

Fig. 1.

Fig. 1

Fig. 1

Fig. 1

Serum values of phosphate (a), PTH (b), and FGF23 (c) in a cross-section of pediatric patients with pre-dialysis CKD. *P<0.01 CKD 1–2 vs. CKD 3, ***P<0.001 CKD 1–2 vs. CKD 4, ***P<0.001 CKD 1–2 vs. CKD 5. Boxes and bars represent the interquartile range and the median value, respectively; whiskers represent the distance to the smallest and largest unbooked sample value.