Table 1.

Baseline Characteristics

Characteristics	Preterm controls (n = 8)	Term controls (n = 14)	Preeclamptic patients (n = 22)
Maternal age (years)	30.5 ± 2.3	32.9 ± 1.1	31.4 ± 1.4
Gestational age at delivery (weeks)	30.0 ± 1.5	38.5 ± 0.2⁎	31.0 ± 0.8
Ethnicity
White	7 (88%)	10 (71%)	16 (73%)
Asian	1 (12%)	3 (21%)	5 (23%)
African	0	1 (7%)	0
Hispanic	0	0	1 (5%)
Body mass index (kg/m2)	25.0 ± 1.8	32.8 ± 3.0	28.1 ± 1.8
Primiparous	2 (25%)†	2 (14%)⁎	15 (68%)
Blood pressure at delivery (mm/Hg)
Systolic	111.9 ± 4.5⁎	118.2 ± 3.7⁎	177.3 ± 5.8
Diastolic	68.1 ± 3.3⁎	78.4 ± 3.0⁎	107.5 ± 2.9
Birth weight (g)	1552 ± 258.3	3400 ± 112.1⁎	1549 ± 155.4

Data are given as mean ± SEM unless percentage is shown. Comparisons were performed between each control group and the preeclamptic cohort.

^⁎P < 0.001.

^†P < 0.05.