A multi-country comparative study of two treponemal tests for the serodiagnosis of syphilis amongst men who have sex with men (MSM): Chemo-luminescent assay vs Treponema pallidum particle agglutination assay

Table 3 SERODIA-TP·PA® versus ADVIA Centaur® Syphilis CLIA assay results, including the testing of discordant cases with the complete testing algorithm

SERODIA-TP·PA® + complete testing algorithm	ADVIA Centaur® Syphilis CLIA
(Reference test^a)	(Index test)
	Positive	Negative	Total
Positive	362	1	363
Negative	4	1,118	1,122
Total	366	1,119	1,485

^aComplete testing algorithm phase 1 and phase 2, Fig. 1: (SERODIA-TP-PA + Western Blot + Immunoblot)

ISSN: 1471-2334