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. 2010 Jan-Feb;2(1):67–72. doi: 10.4161/mabs.2.1.10781

Figure 2.

Figure 2

Screening test results for detection of carcinoembryonic antigen (CEeA) overexpressing adenocarcinoma. Tthe left panel presents 125I-Tt84.66 plasma concentrations in mice identified as tumor negative. 125I-concentrations in all mice lie above the predetermined threshold value of 7.63 nM, and hence are correctly identified to be lacking tumor (specificity: 100%). right panel presents 125I-plasma concentrations in mice identified as tumor positive. 125I-concentrations in 14 out of 15 mice lie below the predetermined threshold value of 7.63 nM and, hence, are correctly identified to be lacking tumor (sensitivity: 93.3%). single concentration value above the threshold represents a false negative.