Comparison of six automated treponema-specific antibody assays

Borae G. Park, Jihoon G. Yoon, John Hoon Rim, Anna Lee, Hyon Suk Kim

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16 Citations (Scopus)


Six different Treponema (TP)-specific immunoassays were compared to the fluorescent treponemal antibody absorption (FTAABS) test. A total of 615 samples were tested. The overall percent agreement, analytical sensitivity, and analytical specificity of each assay compared to the FTA-ABS test were as follows: Architect Syphilis TP, 99.2%, 96.8%, and 100%; Cobas Syphilis, 99.8%, 99.4%, and 100%; ADVIA Centaur Syphilis, 99.8%, 99.4%, and 100%; HISCL Anti-TP assay kit, 99.7%, 98.7%, and 100%; Immunoticles Auto3 TP, 99.0%, 97.5%, and 99.6%; Mediace TPLA, 98.0%, 98.1%, and 98.0%. All results that were discrepant between the TP-specific assays were associated with samples from noninfectious cases (11 immunoassay false positives and 7 from previous syphilis cases). Our study demonstrated that TP-specific immunoassays generally showed high sensitivities, specificities, and percentages of agreement compared to FTA-ABS, with rare cases of false-positive or false-negative results. Therefore, most TPspecific immunoassays are acceptable for use in screening for syphilis. However, it is important to perform a thorough review of a patient's clinical and treatment history for interpreting the results of syphilis serology.

Original languageEnglish
Pages (from-to)163-167
Number of pages5
JournalJournal of Clinical Microbiology
Issue number1
Publication statusPublished - 2016 Jan

Bibliographical note

Publisher Copyright:
© 2015, American Society for Microbiology. All Rights Reserved.

All Science Journal Classification (ASJC) codes

  • Microbiology (medical)


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