Table 1.

Age-sensitive T cell subsets in spleens of aged (DW/J × C3H/HeJ)F₁ dwarf and control mice

T cell subset	Units	Controls 3–7 months	Controls 27–29 months	Dwarf 27–29 months	Old control vs. old dwarf
CD4M	% of CD4	41  ± 3*	67  ± 9	32  ± 6	0.002†
CD8M	% of CD8	19  ± 2	70  ± 5	14  ± 2	0.0001
CD4P	% of CD4	37  ± 4	74  ± 2	43  ± 2	0.0001
CD8P	% of CD8	67  ± 2	91  ± 1	64  ± 2	0.0001

^*Percentage of cells with the indicated phenotype, ± standard error of the mean, for n = 6 mice per group. 

^† Significance level for difference between the old control and old dwarf group, calculated by using the Bonferroni/Dunn method after one-way ANOVA.