TABLE 4.

Mikrogen syphilis immunoblot assay results for 8 borderline samples with discordant results between the HISCL anti-TP assay and Lumipulse G TP-N

Assay type	Result for sample no.
	1	2	3	4	5	6	7	8
HISCL anti-TP (COI)a	0.547	0.797	0.735	0.887	0.85	0.826	0.72	0.668
Lumipulse G TP-N (COI)a	1	1.2	1.3	1.6	1.4	1.3	1.4	1.1
Mikrogen syphilis immunoblotb	I	N	N	N	N	I	I	I

^aA COI value of <1 indicates a negative result, and a COI value of ≥1 indicates a positive result for each assay.

^bI, indeterminate; N, negative.