Table 1

Patients with tuberculosis ()Patients with latent Mycobacterium tuberculosis infection ()Healthy controls ()

Age in years (median (range))14.7 (5.8 to 37)14.7 (4.5 to 49)24 (9 to 40)

Gender (female)7196

Manifestations of disease9 pulmonary tuberculosis, 3 extrapulmonary tuberculosis (1 each lymphadenitis, mandibular, and peritoneal)No disease manifestationsNo disease manifestations

Isolation of Mycobacterium tuberculosis6/9 patients with pulmonary tuberculosis, and one each with tuberculous lymphadenitis, and mandibular tuberculosisN/AN/A

Urinary neopterin/creatinine ratio (micromole/mol, median (range)) 374.1 (129.0 to 1072.3)142.1 (28.0 to 384.1) 146.0 (40.3 to 200.0)