Table 2. Intrasubject reproducibility studies on cytokine expressiona

%%%%%Mean (%)Standard DeviationCoefficient of Variance (%)
a Reproducibility results of the flow cytometry cytokine assay using PMA/ionomycin-stimulated cells.
b Five measurements determined on the same day using the same subject.
c Measurements on five separate days on the same subject.
Same dayb
    CD8/IFN-γ15.114.713.614.614.914.580.584.0
    CD4/IFN-γ11.011.214.314.215.313.201.9714.9
    CD8/TNF-α19.618.919.220.120.819.720.755.3
    CD4/TNF-α31.731.928.131.229.630.501.623.8
Separate daysc
    CD8/IFN-γ12.613.313.211.810.912.361.015.3
    CD4/IFN-γ11.410.812.213.111.911.880.867.3