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Plasma fibroblast growth factor 23 (FGF23) values in patients with pre-transplantation FGF23 concentrations below the median value (closed circles) as compared to patients with pre-transplantation FGF23 values above the median (open circles). The shaded area represents the normal range. FGF23 concentrations values declined over time (p<0.001) and subjects with higher pre-transplantation FGF23 values had higher post-transplantation values (p<0.001).
