Figure 5From: Does aging affect the immune status? A comparative analysis in 300 healthy volunteers from France, Austria and SpainCD45 lymphocyte distribution. Naïve (CD45RA+) and memory (CD45RO+) CD4+ lymphocyte distribution was compared for each age group in each country. Values are means ± SEM. Statistical analysis was done by one way ANOVA followed by a Newman-Keuls test, p < 0.05 was considered significant. Values with different superscript letters are significantly different (a≠b≠c≠d≠e; a'#b'#c').Back to article page