Table 3.
Age-dependent disparities in lymphocyte subsets.
| Groups | p | η2 | |||||
|---|---|---|---|---|---|---|---|
| Youngest-Old | Young-Old | Middle-Old | Old-Old | Oldest-Old | |||
| (n = 68) | (n = 168) | (n = 127) | (n = 46) | (n = 19) | |||
| WBC (×103 cells/μL) | 5.99 ± 0.91 | 5.88 ± 0.71 | 5.71 ± 0.84 | 5.78 ± 0.82 | 5.80 ± 0.66 | 0.277 | 0.016 |
| NK cells (%) | 23.26 ± 4.67 | 17.92 ± 6.18 | 14.02 ± 5.12 | 10.33 ± 3.15 | 9.37 ± 3.02 | 0.001 | 0.371 |
| CD3 T cells (%) | 62.05 ± 8.76 | 59.52 ± 8.23 | 55.27 ± 7.16 | 53.74 ± 6.83 | 47.31 ± 7.46 | 0.001 | 0.170 |
| CD4 T cells (%) | 40.17 ± 7.60 | 38.94 ± 8.24 | 33.04 ± 6.56 | 27.93 ± 4.62 | 27.03 ± 3.65 | 0.001 | 0.274 |
| CD8 T cells (%) | 27.06 ± 6.41 | 22.07 ± 5.51 | 19.51 ± 4.46 | 15.68 ± 3.02 | 13.82 ± 1.28 | 0.001 | 0.328 |
| CD19 B cells (%) | 13.71 ± 2.83 | 13.18 ± 3.35 | 10.54 ± 2.78 | 9.56 ± 2.60 | 7.98 ± 2.07 | 0.001 | 0.253 |
All data represent mean ± standard deviation. WBC, white blood cells; NK, natural killer; CD, cluster differentiation.