Fig. 4

Relative numbers of lymphocyte subsets categorized by the time of physical examination. A B cells, B CD3⁺ T cells, C CD4⁺ T cells, D CD4⁺/CD8⁺ cell ratio, E CD8⁺ T cells, and F NK cells. The median relative numbers of lymphocyte subsets in the first, second, and third physical examination were compared using Kruskal-Wallis test. The sample sizes in the first, second, and third physical examination were 183, 166, and 159, respectively. Data are shown as min, Q25, Q50, Q75, and max value. *P < 0.05