Table 4.

Cytokine levels produced by lymphocytes Th (IFN-γ, IL-4, IL-10, IL-17A) in the sera of patients in subgroups 1a and 2a, linked to S. aureus isolates manifesting Agr I–III phenotypes, and subgroups 1b and 2b, linked to S. aureus strains manifesting Agr IV phenotype

Studied cytokine	Mean values in pg/ml ± SD
	Group 1, n = 50		Group 2, n = 40
	Subgroup 1a: Agr I–III, n = 21	Subgroup 1b: Agr IV, n = 29	Subgroup 2a: Agr I–III, n = 14	Subgroup 2b: Agr IV, n = 26
IFN-γ	1.01 ± 0.59	0.96 ± 0.52	0.81 ± 0.49	0.91 ± 0.52
IL-4	0.38 ± 0.16	0.32 ± 0.14	0.31 ± 0.14	0.33 ± 0.15
IL-10	1.84 ± 1.17	1.81 ± 1.37	1.79 ± 1.27	1.68 ± 1.31
IL-17A	5.1 ± 1.66	4.81 ± 1.47	4.98 ± 1.75	4.82 ± 1.5