Table 1.

Distribution and demographics of subjects used for each flow cytometry analysis set.

	T Cell Maturation (n=45)		T Cell Phenotyping (n=86)		Intracellular Cytokine Staining (n=57)
	Preterm (<36 0/7)	Full term (≥37 0/7)	Preterm (<36 0/7)	Full term (≥37 0/7)	Preterm (<36 0/7)	Full term (≥37 0/7)
Gestational Age (n)	30	15	68	18	42	15
Weeks (mean, SD)	31.4, 2.6	39.2, 1.6	32.2, 2.7	39.0, 1.2	31.2, 2.6	39.0, 1.1
Birth weight (n)	30	4	37	10	40	9
g (mean, SD)	1701, 534	3596, 476	1686, 502	3414, 450	1692, 507	3420, 477
APGAR score (n)	26	4	37	10	40	9
(mean, SD)	8, 1.6	9.3, 0.6	7.9, 1.8	8.9, 0.8	8.1, 1.5	8.9, 0.83
Gender (n)	26	4	37	10	40	9
Female % (CI)	38.5 (20.2, 59.4)	100 (0, 60.2)	32.4 (18.0, 49.8)	60.0 (26. 87.8)	35.0 (20.6, 51.7)	66.7 (29.9, 92.5)
Race (n)	26	4	37	10	40	9
White/Caucasian	65.4 (44.3, 82.8)	50.0 (6.8, 93.2)	61.1 (43.5, 76.9)	50.0 (18.7, 81.3)	63.4 (46.9, 77.9)	55.6 (21.2, 86.3)
Black/African-American	23.1 (9.0, 43.6)	25.0 (0.6, 80.6)	30.6 (16.3, 48.1)	30.0 (6.7, 65.2)	24.4 (12.4, 40.3)	33.3 (7.5, 70.1)
Other	11.5 (2.4, 30.2)	25.0 (0.6, 80.6)	8.3 (1.8, 22.5)	20.0 (2.5, 55.6)	12.2 (4.1, 26.2)	11.1 (0.3, 48.2)
Antenatal steroid exposure (n)	26	4	37	10	40	9
Exposed % (CI)	80.8 (60.6, 93.4)	0 (0, 60.2)	70.3 (53.0, 84.1)	0 (0, 30.8)	72.5 (56.1, 85.4)	0 (0, 33.6)
Clinical chorioamnionitis (n)	26	4	37	10	40	9
Exposed % (CI)	19.2 (6.6, 39.4)	0 (0, 60.2)	17.1 (6.6, 33.6)	0 (0, 30.8)	17.5 (7.3, 32.8)	0 (0, 33.6)
Membrane rupture > 18 hours (n)	26	4	37	10	40	9
Exposed % (CI)	23.1 (9.0, 43.6)	0 (0, 60.2)	21.6 (9.8, 38.2)	0 (0, 30.8)	25.0 (12.7, 41.2)	0 (0, 33.6)
Mode of delivery (n)	26	4	37	10	40	9
Vaginal % (CI)	57.7 (36.9, 76.6)	25.0 (6, 80.6)	48.6 (31.9, 65.6)	20.0 (2.5, 55.6)	60.0 (43.3, 75.1)	22.2 (2.8, 60.0)