Clinical Significance of Peripheral Blood T Lymphocyte Subsets in Helicobacter pylori-Infected Patients

Table 2

The difference of T-lymphocyte subsets between young and old subjects in control group.

	Age < 40	Age ≥ 40	P values
Cases (n)	13	8
CD4 T cells (%)	43.2 ± 7.3	40.7 ± 9.4	0.89
CD8 T cells (%)	22.4 ± 3.9	24.4 ± 12.1	0.59
CD4/CD8 ratio	2.0 ± 0.4	2.3 ± 1.6	0.89
Th1 cells (%)	19.1 ± 10.1	24.6 ± 11.3	0.096
Th2 cells (%)	1.7 ± 0.8	2.0 ± 1.2	0.66
Th1/Th2 ratio	14.0 ± 9.0	15.2 ± 9.6	0.83
CD4^+CD25^+ T cells (%)	9.7 ± 3.6	10.0 ± 3.4	0.66
CD4^+CD25^+Foxp3^+ T cells (%)	3.9 ± 1.8	4.3 ± 1.5	0.66