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. 2022 Oct 12;60(11):e00995-22. doi: 10.1128/jcm.00995-22

TABLE 3.

IgM pre-normalization assay resultsb

ID Inter-assay GM Inter-assay SDa Inter-assay CV (%) Max GM Min GM
Subject 4 228.9 0.8 516.7 1,406.6 18.6
Subject 2 100.5 0.7 370.6 345.0 13.7
Subject 6 82.5 0.9 718.7 371.4 4.0
Subject 7 170.2 0.9 609.8 1,605.7 18.1
Subject 9 115.5 1.1 1,026.7 618.3 3.2
U.S. serology standard 111.4 0.7 423.0 409.8 10.3
a

Standard deviation calculated from the log10GM results from each assay.

b

GM, geometric mean; SD, standard deviation; CV, coefficient of variation.