【摘要】 河南省人体蛔虫、鞭虫、钩虫、蛲虫、溶组织内阿米巴和贾第虫感染率分别为４１．４％、８．４％、２０．８％、２４．５％、０．６％和７．２％。经列表计算并进行二项分布配合适度χ２检验，蛔虫、鞭虫、钩虫、蛲虫、溶组织内阿米巴和贾第虫的χ２值分别为２３３８．５０...更多还原

【Abstract】 Abstract A survey of human parasites at provincial level revealed a total infection rate of 64.8% in Henan. The data concerning family clustering of 6 species of parasites were analysed, which included Ascaris lumbricoides (infection rate 41.5%), hookworm (20.8%), Trichuris trichiura (8.4%), Enterobius vermicularis (24.5%), Entamoeba histolytica (0.6%) and Giardia lamblia (7.2%)); the result of χ 2 test for binomial distribution of the above 6 parasitic infections showed values of 2338.5072, 8920.1552, 6207.5763, 758.3369, 293.9336 and 895.4514, respectively, all revealing P <0.01, hence very significant family clustering.更多还原