Table 1. Demographic characteristics of study participants.

	All	TB	LTBI	QFT-negative ORD
Participants no.	63	21	21	21
Age, yr	34.1±11.3	41.0±10.5	26.0±3.6	35.2±12.2
M/F no. (%)	30(48)/33(52)	8(38)/13(62)	13(62)/8(38)	9(43)/12(57)
HIV status pos/neg	1/62	0/20	0/20	1/20
QFT-IT positive	42	21	21	Nil

Values are mean (±SD) unless indicated otherwise.