Figure 5.

Distribution of percentages of lymphocytes from individuals of different ages bearing CD4 and Foxp3 (A), CD4 and high levels of CD25 (B), and those CD4+ cells that were positive for both high levels of CD25 and Foxp3 (C). The linear regression results for all individuals (black line), males (blue line) and females (pink line) and the relevant P values are shown on the graphs. n.s. = not significant.