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Receiver operating characteristic (ROC) curves for C-reactive protein to diagnose childhood TB. ROC Curves for three reference standards: Confirmed TB versus Unlikely TB, composite reference standard (CRS), and microbiological reference standard (MRS). The gray-dashed lines indicate the target accuracy for a triage test for TB (≥90% sensitivity and ≥70% specificity), and the red-dashed line is the reference line with an area under the curve (AUC) of 0.5.
