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. 2018 Feb 22;12(2):e0006232. doi: 10.1371/journal.pntd.0006232

Fig 5. Performance of the rapid urine test (POC-CCA) for the diagnosis of Schistosoma mansoni infection.

Fig 5

A: Photograph showing the different reactions possible with the POC-CCA: negative, trace, weak (+), medium (++) and strong (+++). B: Distribution of the POC-CCA results in individuals from an endemic area classified as negative (n = 116) or positive (n = 112) for S. mansoni infection by extensive parasitological testing (Reference standard: 18 Kato-Katz slides, saline gradient, and Helmintex); total n = 228). Data indicate the percentages of POC-CCA reactivities in each group of parasitologically negative or positive individuals. Red circles indicate discordant results in comparison with the reference standard (false positive: 28 and 2%; or false negative: 35%).