Table 1. The prevalences of Opisthorchis-like egg, ITS2-PCR sensitivities and PCR-RFLP profiles for detection Opisthorchis-like eggs in Chachoengsao Province, central Thailand.

Village	Prevalence	ITS2-PCR sensitivity	Parasite identification by PCR-RFLP (Number)
Thoong-Heang	12.6% (87/689)	90.0% (54/60)	O. viverrini (54)
Na-Yao	12.2% (130/1,062)	75.0% (90/120)	O. viverrini (88) E. albuferensis (2)
Na-Ngam	25.9% (222/857)	92.4% (109/118)	O. viverrini (107) O. viverrini and H. taichui (2)
Total	16.8% (439/2,609)	84.9% (253/298)