Table 1.

Intestinal parasitic infections in 1,245 stool specimens returning from 1,279 enrolled participants in Thung Phra Phloeng subdistrict, Sa Kaeo Province, eastern Thailand

Intestinal parasitic infection	No. positive	% Positive
Opisthorchis-like eggs	105	8.4
Blastocystis sp.	76	6.1
Strongyloides stercoralis	20	1.6
Hookworms	14	1.1
Giardia intestinalis	9	0.7
Trichomonas hominis	8	0.6
Enterobius vermicularis	5	0.4
Taenia spp.	4	0.3
Trichuris trichiura	3	0.2
Entamoeba coli	2	0.2
Large intestinal flukes	2	0.2
Others (parasitic amoeba and fluke)	3	0.2

Three examination methods including simple wet smear, Kato–Katz, and phosphate-buffered saline–ethyl acetate concentration techniques were used to examine intestinal parasitic infections.