Chronic Brucellosis Patients Retain Low Frequency of CD4+ T-Lymphocytes Expressing CD25 and CD28 after Escherichia coli LPS Stimulation of PHA-Cultured PBMCs

Table 1

Demographic data of the groups (AB, CB, “cured,” controls) and CB subgroups (CB1, CB2) studied.

	AB	CB	CB1	CB2	Cured	Controls
n	13	22	12	10	11	15
Female	5	2	1	1	4	4
Male	8	20	11	9	7	11
Age (mean  ±  SD, years)	44.7±21.4	48.1±15.6	45.3±14.8	51.6±16.6	50.3±16.7	43.8±16.3