Figure 1.

Levels of exhaled NO (FeNO). Levels of exhaled NO (FeNO) in HIV-/TB patients (n = 59), HIV+/TB patients (n = 36), household contacts to smear positive TB patients (HC, n = 17) and blood donors (BD, n = 46) presented as median and interquartile range. ppb (parts per billion). * (p < 0.05).