Fig. 1

Detailed comparison of absolute numbers of immune cell subsets in three age groups. a Subsets of CD4 T cells (b) Subsets of CD8 T cells. c Subsets of NK cells. d Subsets of B cells. e Comparison of CD4 + T cell subsets and CD8 + T cell subsets distribution across three age groups (blue: < 40 years old, green: 40–64 years old, red: > 64 years old). Black bars: medians. P-values were determined with the Tukey's Honestly Significant Difference (HSD) post-hoc test. **p\(\le\) 0.001 *p\(\le\) 0.05