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. 2017 Jun 5;11(6):e0005593. doi: 10.1371/journal.pntd.0005593

Fig 2. Graphical representation of the main results (sensitivity, specificity, positive predictive value, negative predictive value) of the 5 tests examined, according to the three different reference standards used.

Fig 2

GOLD = primary reference standard, based on microscopy; CRS = composite reference standard; LCA = Latent Class Analysis.