Figure 4. ROC analysis for the detection of M.tb culture-positive individuals by smear status.
Legend. —– A (s+/c+ M.tb) vs. F (Controls): Az = 0.90 (0.86–0.93), - - - B (s−/c+ M.tb) vs. F (Controls): Az = 0.67 (0.58–0.75), p<0.01.
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