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Comparison of direct stool microscopy with formol ether concentration in the isolation of soil transmitted helminths in adult population

Soil transmitted helminths or geohelminths still contribute a major burden to many countries including India. It’s of utmost importance to detect them accurately and timely. Studies on this group of intestinal parasites in adults are rare. Hence, the study explored the usefulness of stool concentration technique and compared them with the direct microscopy for better isolation of the geohelminths in adults. In this study, 254 consecutive stool samples were taken from adult patients of the hospital. Direct and formol ether concentration techniques was performed for each sample and the positive sample smears were stained with suitable stains for proper identification of the parasites. Positivity of egg/ova or adult worm/larva by either method was noted and results were compared and analysed. Of the total 254 samples, 39 samples were positive for an intestinal parasite by concentration method and 22 samples by direct wet mount microscopy. Cohen’s Kappa is 0.686. P value | Comparison of direct stool microscopy with formol ether concentration in the isolation of soil transmitted helminths in adult population