TABLE 3.

Standardized range for each analyte using the microsphere assay compared to the recommended standard range for the ELISAs

Assay and parameterpg/ml
IFN-γIL-10IL-12/IL-23 p40
ELISA, standard curve63-4,000125-8,00039-2,500
Microsphere assay
    Standard range tested8-4,00016-8,0005-2,500
    Standard curve16-2,00031-4,00010-1,250
    LLOQ316339
    ULOQ1,0002,000625