Table 3.

Correlations between age and percentages of lymphocyte subpopulations

Population	Spearman's correlation	Population	Spearman's correlation
% CD3 + T cells	−.00	% γδ T cells (CD45 + CD3+Double Negative TCR γδ)	0.67*
% CD4 + T cells	−.55*	% Double‐negative T cells (CD45 + CD3+Double Negative)	0.66*
% CD8 + T cells	.37*	%NK cells (CD56+)	0.56*
% Regulatory T cells/ CD4 + T cells	.08	% NK T cells (CD3 + CD56+)	0.61*
% Regulatory T cells (CD4 + CD25+Foxp3+)	−.13	% CD19 + B cells	0.22*

^*Correlation was significant at the P < .01 level.