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. 2017 Feb 11;4(1):ofx022. doi: 10.1093/ofid/ofx022

Table 2.

Cord Blood T-Cell Subsets by Infant Sex

T-Cell Subset	Female	Male
	Median [IQR]	Median [IQR]	P-value
Frequency (%)^a
Total CD4	74.4 [68.2–83.1]	76.3 [68.6–80.4]	.993
T_regs	1.82 [1.2–2.7]	2.61 [1.5–3.5]	.006
Activated (CD25⁺ FoxP3⁻CD127^hi)	2.17 [1.1–3.5]	2.39 [1.4–3.0]	.884
Absolute Counts^b
Total CD4	1356 [1252–1778]	1527 [1056–1872]	.669
T_regs	24.4 [15.6–42.2]	35.8 [18.3–57.8]	.012
Activated (CD25⁺ FoxP3⁻CD127^hi)	31.8 [18.5–49.0]	32.0 [18.8–49.5]	.956

Statistically significant P-value in bold. Abbreviations: IQR, interquartile range; T_regs, T regulatory cells.

^aFrequency of parent subset.

^bAbsolute count per microliter of whole cord blood.