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. 2010 Dec;8(6):477–482. doi: 10.1089/met.2010.0030

Table 1b.

Precision: Interassay CV

  N Mean ± SD %CV
Intact FGF-23 (pg/mL)
  20 16.1 ± 4.9 30.4
  20 24.7 ± 9.1 36.8
  20 86.2 ± 12.1 14.0
  20 255.9 ± 101.5 39.7
C-Terminal FGF-23 (RU/mL)
  20 54.4 ± 5.4 9.9
  20 333.5 ± 26.8 8.0
  20 756.3 ± 77.8 10.3
  20 13780 ± 1212 8.8

Samples with low, medium, and high levels of intact and C-terminal FGF-23 were run in duplicate for 20 days. Data are provided as mean ± SD and % CV.