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Table 3 Immunological parameters showing an age-related decline

From: Slower immune system aging in women versus men in the Japanese population

Immunological parameters Male (N = 162) Female (N = 194) Gender difference
Slope Intercept R p-value Slope Intercept R p-value p-value
(a) T cells −33.00 3196 0.187 0.018 −26.57 2628 0.089 0.212 0.049
(b) CD8 + T cells −15.94 1315 0.286 <0.001 −13.24 1075 0.305 <0.001 NS
(c) CD8 + CD28+ T cells −11.21 863 0.543 <0.001 −8.664 696 0.477 <0.001 0.04
(d) Naïve T cells −15.39 1205 0.089 0.261 −10.88 916 0.055 0.447 0.001
(e) T cells proliferative activity −0.019 2.295 0.315 <0.001 −0.016 2.115 0.224 0.002 NS
(f) T cell proliferation index −0.056 4.904 0.290 <0.001 −0.043 3.910 0.190 0.008 0.010
(g) T cell immune score −0.137 19.3 0.261 0.001 −0.106 17.3 0.333 <0.001 0.006
(h) B cells −11.04 747 0.167 0.034 −4.307 328 0.105 0.152 0.001
  1. ※: Number / mm3. R: Correlation coefficient. NS: not significant.