A similar pattern was found for IP-10 protein expression with tuberculosis patients (median 6.9 ng/ml, IQR 2.0–13.8), persons with LTBI (median 4.2 ng/ml, IQR 0.4–7.0) and controls (median (0.0 ng/ml, IQR 0–0.1) (figure 4B). Here, CXCL10 is linked to tuberculosis.