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Journal of Clinical Microbiology, July 2000, p. 2543-2545, Vol. 38, No. 7
Division of AIDS, STD, and TB Laboratory
Research, National Center for Infectious Diseases, Centers for
Disease Control and Prevention, Atlanta, Georgia
Received 29 November 1999/Returned for modification 28 February
2000/Accepted 11 April 2000
We compared the microhemagglutination assay for Treponema
pallidum (MHA-TP), a treponemal test, with two other treponemal tests, the Serodia Treponema pallidum particle
agglutination (TP-PA) assay and the Captia Syphilis-G enzyme
immunoassay, using 390 clinical serum samples. We also
compared two nontreponemal tests, the rapid plasma Reagin (RPR) card
test and the SpiroTek Reagin II test. Agreements of the MHA-TP
with the TP-PA test and the Syphilis-G test were 97.4 and 97.7%,
respectively. There was 89.2% agreement between the RPR and Reagin II
tests. The Reagin II test was more apt to be reactive if the treponemal
test was also reactive. We conclude that either the Serodia TP-PA test
or the Captia Syphilis-G test is an appropriate substitute for the
MHA-TP and that the Spirotek Reagin II test could substitute for the
RPR test as a screening test.
0095-1137/00/$04.00+0
Comparison of the Serodia Treponema pallidum Particle
Agglutination, Captia Syphilis-G, and SpiroTek Reagin II Tests with
Standard Test Techniques for Diagnosis of Syphilis
*
Corresponding author. Mailing address: Syphilis
Diagnostic Immunology Activity, DASTLR/NCID, Mailstop D-13,
Atlanta, GA 30333. Phone: (404) 639-3224. Fax: (404) 639-3976. E-mail: vxp1{at}cdc.gov.
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