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. Author manuscript; available in PMC: 2023 Jun 1.
Published in final edited form as: J Bone Miner Res. 2022 Apr 25;37(6):1170–1178. doi: 10.1002/jbmr.4553

Table 5:

Intact and C-terminal FGF23 Clearance in Rats

Variable Mean ± SD
Intact FGF23
Renal Artery Intact FGF23 (pg/ml) 203 ± 48
Renal Vein Intact FGF23 (pg/ml) 160 ± 44
Urine Intact FGF23 (pg/ml) 2 ± 0
% Renal Reduction Intact FGF23 21.5% ± 12.6%
Renal Clearance of Intact FGF23 (Renal Artery vs. Renal Vein) uL/min 3.0 ± 1.3
Renal Clearance of Intact FGF23 (UV/P) uL/min 0.2 ± 0.4
C-terminal FGF23
Renal Artery C-terminal FGF23 (pg/ml) 1589 (420, 4794)*
Renal Vein C-terminal FGF23 (pg/ml) 901 (225, 3706)*
Urine C-terminal FGF23 (pg/ml) 3.8 (2.0, 8.3)*
% Renal Reduction C-terminal FGF23 32.0% ± 13.5%
Renal Clearance of C-terminal FGF23 (Renal Artery vs. Renal Vein) uL/min 4.3 ± 1.4
Renal Clearance of C-terminal FGF23 (UV/P) uL/min 0.01 ± 0.01
*

Median [IQR]