Table 3.

The demographic characteristics of the total study populations

Groups/Sub‐groups			Subjects (n)	Age (years)
PTB			58	39.12 ± 17.62
	PTB‐SP	Initial	29	35.70 ± 15.70
	PTB‐SP	Relapse	9	55.44 ± 17.74
	PTB‐SN	Initial	20	35.47 ± 16.13
EPTB	/	Initial	16	42.93 ± 16.63
LTBI	/	/	42	21.33 ± 2.37
HC	/	/	40	21.23 ± 2.08

EPTB, Extra‐pulmonary TB; HC, Healthy control; LTBI, Latent TB Infected; PTB‐SP, Smear‐positive pulmonary TB; PTB‐SN, Smear negative pulmonary TB; /, No reference.

Data are presented as the mean ± SD.