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Table 10 Measurements of biomarker concentrations

From: Least absolute shrinkage and selection operator type methods for the identification of serum biomarkers of overweight and obesity: simulation and application

Category description Reported from lab Decision on how to use data
Undetectable values Reflect samples below the lowest standard The lowest observed value for each biomarker was identified and all low values for that biomarker were recorded as ½ that value (Myriad-RBM) or ½ the lowest standard (ARC)
Normal values Normal values Normal Values
High values Reflect samples above the highest standard Value equals twice the highest value (Myriad-RBM) or twice the highest standard (ARC)