Pour une meilleure estimation de la prévalence du parasitisme intestinal dans la région de Tunis

Abstract : The prevalence of intestinal parasitism is generally based on the results of a single stool specimen which probably underestimates the real situation. In order to propose a coefficient for correction, we examined three stool specimens taken from 112 asymptomatic children. Intestinal parasites other than Enterobius vermicularis were detected in 29 subjects (26%). For those specimens that tested positive, 41% of children had infection detected in all three stool specimens; 21%--in two specimens and 38%--in only one. If we assume that the sensitivity of three stool specimen examinations is 100%, then the calculated sensitivity of one examination is equivalent to 68%. This gives an underestimation of the prevalence of 32%. This underestimation is not homogenous for all species. As regards Giardia intestinalis it is 35%, but for other species it would have to be calculated from a larger sample.
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Contributor : Abdelhakim Ben Hassine <>
Submitted on : Wednesday, February 27, 2019 - 11:10:40 AM
Last modification on : Thursday, June 6, 2019 - 1:02:59 AM

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  • HAL Id : pasteur-02050506, version 1
  • PUBMED : 11775323

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A. Bouratbine, K Aoun, E. Siala, M. Chahed, L Ben Hassine, et al.. Pour une meilleure estimation de la prévalence du parasitisme intestinal dans la région de Tunis. Bulletin de la Société de pathologie exotique , Masson, 2000, 93 (5), pp.353-5. ⟨pasteur-02050506⟩

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