Comparison of egg reduction rate (ERR) calculated from a single <i>versus</i> quadruplicate Kato-Katz thick smears, both with estimated 95% confidence intervals (CIs).

<p>A. L’Abbé plot. For each point, the 95% CIs are shown. The red dashed diagonal line of no difference between the ERR calculated with both metrics. The blue dashed line represents the threshold for acceptable efficacy defined by the WHO [<a href="http://www.plosntds.org/article/info:doi/10.1371/journal.pntd.0003821#pntd.0003821.ref003" target="_blank">3</a>]. B. Bland-Altman plot. The red dashed lines show the interval that determines the agreement of the two metrics, set at 5%. The blue dashed line represents the threshold for acceptable efficacy defined by the WHO [<a href="http://www.plosntds.org/article/info:doi/10.1371/journal.pntd.0003821#pntd.0003821.ref003" target="_blank">3</a>].