CXCL1 (AUC = 0.85, p < 0.0001), CXCL9 (AUC = 0.92, p < 0.0001) and CXCL10 (AUC = 0.94, p < 0.0001) discriminate DS-TB from individuals with LTB. The gene discussed is CXCL10; the disease is tuberculosis.