Representative curves showing the chemokines with the best diagnostic precision between and among these groups are shown in Fig. 3, CXCL9 (AUC = 0.82, p < 0.0001) and CXCL10 (AUC = 0.84, p < 0.0001) discriminate DR-TB from DS-TB. Here, CXCL9 is linked to tuberculosis.