Table 1.

Study Population Demographics

Characteristic	Normal (n=20)	Preeclampsia (n=20)	P Value
Maternal age, y*	34.5 (32.0–38.5)	28.0 (23.5–35.0)	<0.01
White race†	17 (85.0)	12 (60.0)	0.07
BMI at delivery, kg/m2 *	29.5 (26.7–36.4)	32.5 (30.9–41.3)	0.05
Nulliparity†	10 (50)	11 (55)	0.75
Gestational age at delivery, wk*	39.6 (38.5–40.7)	34.1 (31.4–36.6)	<0.001
Cesarean delivery†	6 (30.0)	15 (75.0)	<0.01
Neonatal birthweight, g*	3600 (3347–4094)	1845 (1288–2670)	<0.001
Fetal female sex‡	8 (40.0)	6 (30.0)	0.51

Data expressed as median (interquartile range) or n (%). BMI indicates body mass index.

^*Mann‐Whitney U test.

^† Fisher's exact test.

^‡ Chi‐square test.