TABLE 3.

Serological results over time from patient 3^a

Time of serum sample	RF	Titer obtained with indicated test					CIEP result (no. of bands/titer)	Lateral flowc
		RB	SATb		Coombs IgG
			pH 7.2	pH 5.0	pH 7.2	pH 5.0		IgM	IgG
27 May 1995	ND	Neg	ND	ND	ND	ND	ND	ND	ND
26 June 1995	ND	2	80	ND	640	ND	ND	ND	ND
Specific antibiotic therapy (45 days)
3 mo	Neg	16	160	320	2,560	2,560	2/8	Neg	3+-4+
6 mo	Neg	16	80	160	2,560	2,560	2/4	Neg	2+
1 yr	Neg	8	80	160	1,280	1,280	2/2	Neg	2+
2 yr	Neg	4	20	80	1,280	1,280	2/2	Neg	1+
4 yr	Neg	2	40	80	5,120	5,120	2/4	Neg	3+-4+
6 yr	Neg	Neg	20	40	2,560	5,120	2/2	Neg	2+
8 yr	Neg	Neg	20	40	2,560	2,560	2/2	Neg	1+-2+
February 2004 (clinical relapse; antibiotic therapy, 6 mo)
April 2004 (therapy, 2 mo)	Neg	Neg	20	40	2,560	1,280	2/4	Neg	1+-2+
July 2004 (liver resection)
November 2004	Neg	Neg	20	40	1,280	1,280	2/4	Neg	1+-2+

^aAbbreviations: Neg, negative; ND, not done.

^bThe SAT at pH 7.2 was done with milk ring test antigen (PBS); the SAT at pH 5.0 was done with Brucellacapt antigen (Vircell).

^c1+, weak staining; 2+, moderate staining; 3+, strong staining; 4+, very strong staining.