Variation in samples and repeats used with the Kato-Katz technique.

Abstract

<p>Number of cohorts (and number of estimated individual participant data in parentheses) from the subset comprising 91 studies collecting data on the efficacy of drugs for treating the soil-transmitted helminthiases ascariasis, trichuriasis and hookworm in which infection was diagnosed, primarily using a Kato-Katz method, before (a) or after (b) treatment by performing <i>X</i> × <i>Y</i> (samples × replicates) egg counts.</p