Figure 4From: Does aging affect the immune status? A comparative analysis in 300 healthy volunteers from France, Austria and SpainB lymphocyte and NK cell distribution. The B and NK cell distribution was compared for each age group in each country. Statistical analysis was done by one way ANOVA followed by a Newman-Keuls test; p < 0.05 was considered significant and data with different superscript letters are significantly different (a≠b≠c≠d).Back to article page