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. Author manuscript; available in PMC: 2010 Dec 10.
Published in final edited form as: Cancer Epidemiol Biomarkers Prev. 2005 Dec;14(12):2881–2888. doi: 10.1158/1055-9965.EPI-05-0185

Intra-assay CVs based on repeated assays of BioRad Standards with known concentrations at low and high levels

Low High N of reps
Standard Conc. %CV Standard Conc. %CV
IGF1 (ng/ml) 125.0 4.7 185.0 3.3 15
IGFBP3 (ug/ml) 1.0 5.8 3.5 4.6 14
C-Peptide (ng/ml) 1.0 9.4 10.0 5.6 12
Leptin (ng/ml) 3.0 3.6 40.0 7.9 11

We do not have estimates of intra-assay reliability at low and high concentrations based on BioRad standards for these analyses.