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Table 5 Cytokine production and age in male and female subjects: regression analysis

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

Immunological parameters Men (N = 64) Women (N = 49) Gender difference
Slope Intercept R p-value Slope Intercept R p-value p-value
(a) IFNγ −45.2 4698 0.721 0.071 −48.1 4677 0.122 0.397 NS
(b) IL-2 −19.2 1129 0.138 0.319 −17.2 928 0.243 0.108 NS
(c) IL-6 −293.0 18732 0.247 0.048 −488.0 29289 0.077 0.605 0.010
(d) IL-10 −51.6 3407 0.176 0.166 −28.1 1898 0.063 0.666 0.004
  1. R: Correlation coefficient. NS: not significant.