Sensitivity, specificity, and negative predictive value (NPV) of different approaches for the diagnosis of S. mansoni.

The study was carried out in Azaguié, south Côte d'Ivoire in August and September 2011. Sensitivity, specificity, and NPV of different approaches for the diagnosis of S. mansoni were assessed before and after praziquantel administration.*Combined results of quadruplicate Kato-Katz thick smears and duplicate POC-CCA cassette tests with trace results considered as negative.CI, confidence interval, t−, trace negative; t+, trace positive.