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. Author manuscript; available in PMC: 2018 Feb 1.
Published in final edited form as: Cytokine. 2016 Dec 9;90:185–192. doi: 10.1016/j.cyto.2016.09.018

TABLE 2.

Agreement among cytokines with >20% undetectable among the external controls tested on the Meso-Scale Discovery platform

Control 1
Control 2
Cytokines % undetectable Κa Κb % undetectable Κa Κb
 GM-CSF 50.3 0.40 0.40 55.1 0.30 0.30
 IFN-γ 53.1 0.30 0.30 61.3 0.30 0.30
 IL-2 38.7 0.40 0.40 60.6 0.30 0.30
a

Kappa statistic. No adjustment to the lower limit of detection.

b

Kappa statistic. Modified cutoff by 0.5*SD of marker distribution.