Table 2.

Types of immunodefiencies in pulmonary and extrapulmonary TB

Types of immunodeficiencies	Pulmonary n=49 (%)	Extrapulmonary n=26 (%)
HIV	2 (4)	2 (8)
Malignancy	0 (0)	2 (8)†
Primary immune deficiency	0 (0)	2 (8)‡
Others	1 (2)*	3 (12)§

*Ebstein–Barr virus-related haemophagocytic lymphohistiocytosis.

†One medulloblastoma on chemotherapy, one neuroblastoma on chemotherapy.

‡Severe combined immunodeficiency.

§One Crohn’s disease on immunosuppressant, one juvenile idiopathic arthritis on biologics, one Mendelian susceptibility to mycobacterial disease.