Table 1. Characteristics of patients suspected of having active pulmonary TB and healthy controls.

Characteristics	TB patients	Non-TB patients	Healthy controls
Total Number	112	100	25
	Cat-1 = 104	Cat-4 = 10
	Cat-2 = 8	Cat-9 = 90
Median age, years	24 (18–70)	26 (18–68)	26 (20–50)
Male∶ Female	64∶48	54∶46	15∶10
BCG vaccination	41 (36.6%)	42 (42.0%)	25 (100%)
Known history of TB contact	59 (52.7%)	61 (61.0%)	0
Previous history of TB	11 (9.8%)	7 (7.0%)	0
Occupation
Garments workers	42 (37.5%)	33 (33.0%)	-
Daily Laborers	20 (17.9%)	17 (17.0%)	-
Housewives	15 (13.4%)	18 (18.0%)	-
Students	11 (9.8%)	4 (4.0%)	9 (36.0%)
Service holders	6 (5.4%)	7 (7.0%)	16 (64.0%)
Others	18 (16.0%)	21 (21.0%)	-