TABLE 3.

Comparison of cross-reactions of S. stercoralis antigen with sera from patients with other parasitic infections determined by GPAT and ELISA^a

Parasite	Total no. of patients	No. (%) positive
		GPAT	ELISA
Opisthorchis viverrini	14	1 (7.1)	1 (7.1)
Clonorchis sinensis	28	0 (0)	0 (0)
Echinostomes	23	0 (0)	0 (0)
Minute intestinal flukes	16	0 (0)	0 (0)
Taenia spp.	12	0 (0)	0 (0)
Hookworms	34	2 (5.7)	1 (2.8)
Angiostrongylus cantonensis	1	0 (0)	0 (0)
Giardia intestinalis	10	0 (0)	0 (0)
Total	138	3 (2.2)	2 (1.4)

^aThe GPAT result was positive when the titer was ≥32. The ELISA result was positive when the OD₄₉₀ was ≥0.26.