Although the κ values showed nominally significant heterogeneity for four of the laboratories, there was trend toward decreasing levels of κ as the elapsed time increased only for the TCP and tetramer labs.
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Validity and reproducibility of measurement of islet autoreactivity by T-cell assays in subjects with early type 1 diabetes.
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The sentences
The ELISPOT assay utilized DR4-restricted peptides predominantly and showed a trend for greater specificity among DR4+ individuals.