. Author manuscript; available in PMC: 2013 Jul 16.

Published in final edited form as: Prenat Diagn. 2011 Jul 11;31(10):990–994. doi: 10.1002/pd.2822

Table 1.

Demographics of study population.

	Control (n=41)	Preeclampsia (n=41)	p-value
Mean Maternal age (SD)	32.9 (5.5)	30.5 (6.2)	0.07
Nulliparous (%)	12 (29.3)	20 (48.8)	0.07
Mean GA at recruitment (weeks, SD)	12.1 (0.6)	12.1 (0.7)	0.87
White (%)	25 (61.0)	17 (41.5)	0.08
Black (%)	9 (21.9)	20 (48.8)	0.01
Smoking (%)	5 (12.2)	8 (19.5)	0.36
Mean BMI (SD)	27.7 (7.2)	33.8 (8.8)	0.001
Pregestational diabetes (%)	0 (0)	9 (21.9)	0.001
Mean GA at delivery (weeks, SD)	39.0 (2.8)	35.3 (4.1)	<0.0001
Mean birth weight (g, SD)	3365.9 (357.8)	2565.0 (870.3)	<0.0001