Monocyte Signal Transduction Receptors in Active and Latent Tuberculosis

Table 1

Characteristics of the groups in the study.

Clinical characteristics	Participants
	Patients		Healthy individuals
	TB patients	NMLD; patients	Household TB contacts	Work TB contacts	Controls
Total number of subjects	43	46	41	48	46
Mean age in years (range)	48; (21–81)	52; (19–85)	38; (17–70)	44; (29–60)	47; (18–77)
Sex (no. (%) female)	19 (44%)	31 (67%)	21 (51%)	45 (93%)	30 (65%)
Ethnicity	Caucasians	Caucasians	Caucasians	Caucasians	Caucasians
BCG vaccination (%)	100%	100%	100%	100%	100%
Tobacco smoking (no. (%))	25 (58%)	11 (23%)	2 (13%)	3 (12%)	16 (34%)
Alcohol abuse (no. (%))	11 (25%)	3 (6%)	0	0	0
Smear^+ and culture^+ (%)	100%	0%	nd	nd	nd
IGRA result (no. (%))
Negative	15 (35%)	40 (86%)	30 (73%)	27 (56%)	40 (87%)
Positive	28 (65%)	6 (14%)	11 (27%)	21 (44%)	6 (13%)
TST result (no. (%))			nd	nd	nd
Negative	19 (44%)	33 (72%)
Positive	24 (56%)	13 (28%)

nd: not done.