Figure 5. Age related changes in cytokine levels in peripheral blood.

The peripheral blood were centrifuged and serum were collected. The cytokine level was measured by a Luminex assay. A.-D. Individual cytokine level in four age groups. Data is shown as a mean (±SEM). *p < 0.05, **p < 0.01,***p < 0.001 by Turkey HSD test comparison of the four age groups post hoc analyses.