TABLE 6.

AxSYM Combo performance on selected seroconversion panels

Vendora	Panel ID	Bleed no.	Bleed date	Days after 1st bleed	AxSYM Combob			AxSYM gO		HIV-1 Western blot resultd,e	HIV Ag S/COd	HIV RNA NAT, copies/ml or resultd
					MLb	S/CO	Resultc	S/CO	Resultc
Nabi	SV-0401	A	7 Nov. 1996	0	80062	0.47	−	0.34	−	Ind	0.27	484
		B	11 Nov. 1996	4		0.55	−	0.33	−	Ind	0.48	19,427
		C	14 Nov. 1996	7		1.30	REA	0.36	−	Ind	2.57f	88,176
		D	18 Nov. 1996	11		6.80	REA	2.25	REA	Ind	9.36	>750,000
		E	21 Nov. 1996	14		12.16	REA	6.79	REA	Ind	12.06	>750,000
		F	25 Nov. 1996	18		6.73	REA	9.96	REA	Pos	2.42	208,979
		G	29 Nov. 1996	22		5.60	REA	8.61	REA	Pos	1.47	167,423
BBI	PRB 926	01	10 Feb. 1994	0	80065	0.30	−	0.42	−	Neg	0.3	Neg
		02	12 Feb. 1994	2		0.37	−	0.54	−	Neg	0.3	Pos
		03	17 Feb. 1994	7		2.44	REA	0.46	−	Neg	1.6g	Pos
		04	19 Feb. 1994	9		23.75	REA	0.39	−	Neg	10.5	Pos
		05	9 Mar. 1994	27		8.30	REA	10.73	REA	Pos	0.5	Pos
		06	14 Mar. 1994	32		8.16	REA	10.12	REA	Pos	0.5	Pos
BCP	6243	01	22 Aug. 1996	0	86152	0.42	−	0.43	−	No band	0.091	<400
		02	27 Aug. 1996	5		0.41	−	0.42	−	p66	0.091	<400
		03	29 Aug. 1996	7		0.44	−	0.40	−	p66	0.076	<400
		04	3 Sep. 1996	12		0.42	−	0.49	−	p66	0.091	<400
		05	9 Sep. 1996	18		0.38	−	0.45	−	p66	0.076	1,180
		06	11 Sep. 1996	20		0.45	−	0.45	−	p66	0.091	3,930
		07	16 Sep. 1996	25		1.32	REA	0.54	−	p66	1.424f	265,000
		08	18 Sep. 1996	27		1.66	REA	0.72	−	p66	1.348	413,000
		09	23 Sep. 1996	32		8.81	REA	6.95	REA	p66	0.970	295,000
		10	25 Sep. 1996	34		9.92	REA	8.70	REA	p24, p66	1.667	447,000

^aBBI, Boston Biomedica Inc.; BCP, BioClinical Partners.

^bThree manufactured master lots (ML) of AxSYM Combo are represented.

^cS/CO ratios of >1.0 were considered reactive (REA). −, nonreactive.

^dVendor data.

^eInd, indeterminate; Pos, positive; Neg, negative.

^fCoulter HIV-1 Ag assay.

^gAbbott HIV-1 Ag assay.