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. 2019 Aug 14;10:1855. doi: 10.3389/fmicb.2019.01855

FIGURE 2.

FIGURE 2

ROC curve of the four markers presented in the model [IFN-γ, IP-10, Ferritin, and 25(OH)D] to discriminate between active TB (N = 44) and latent TB infected cases (N = 37) with positive QuantiFERON-TB Gold In-Tube result. AUC, Area under ROC curve.