The anti-double-stranded (ds)DNA antibody test is an integral part of diagnosing systemic lupus erythematosus when the entry criterion is satisfied. We investigated the sensitivity of the BioPlex 2200 instrument compared with the serological gold standard and other tests and clinical information. The results showed an unacceptable sensitivity for this method. Laboratories should be cognizant of this shortcoming when selecting this platform for dsDNA antibody testing.
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Kadkhoda et al. (2024) studied this question.
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