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. 2019 Jul 3;10:1518. doi: 10.3389/fimmu.2019.01518

Figure 3.

Figure 3

Two-hit assay induced Mtb latency antigen specific IFN-γ positive CD4+ T cells discriminate TB patients and HCs. Receiver Operator Characteristic (ROC) analysis for classification of TB patients and HCs using Rv1733 and Rv2628 specific IFN-γ positive CD4+ T cells of TB patients and HCs after two-hit stimulation. Area Under Curve (AUC) values of ROC analysis for the study groups (A) and an independent test cohort (B) [TB patients (n = 4) and HCs (n = 13)]. Deduced AUC-values and nominal p-values are shown as **p < 0.01, ***p < 0.001, and ****p < 0.0001. ns: not significant.