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Table 1 Age-related change of RBC and WBC in male and female subjects

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

Hematological parameters Men (N = 162) Women (N = 194) Gender difference
Slope Intercept R p-value Slope Intercept R P-value p-value
RBC −0.033 6.37 0.517 0.001 −0.021 5.238 0.105 0.138 0.001
WBC −0.099 11.27 0.138 0.082 −0.091 9.980 0.155 0.033 NS
Lymphocytes −43.30 4455 0.148 0.059 33.05 452 <0.001 0.996 0.016
Neutrophils −71.31 7087 0.095 0.218 −73.39 6202 0.187 0.009 NS
  1. ※:Number / mm3. R: Correlation coefficient. NS: not significant.