Table 1 Clinical characteristics of normotensive, healthy pregnant women and preeclamptic patients

Age (years)

30 (17-44)

29 (19-42)

NS

BMI at blood draw (kg/m²)

25.9 (19.0-42.0)

30.0 (20.6-38.3)

<0.001

Smokers

0 (0%)

3 (4.5%)

NS

Primiparas

45 (64.3%)

43 (64.2%)

NS

Systolic blood pressure (mmHg)

110 (80-138)

160 (135-220)

<0.001

Diastolic blood pressure (mmHg)

70 (55-86)

100 (90-131)

<0.001

Gestational age at blood draw (weeks)

35 (20-40)

38 (30-41)

<0.001

Gestational age at delivery (weeks)

39 (35-41)

38 (33-41)

<0.05

Fetal birth weight (grams)

3500 (2650-4400)

3200 (1400-4200)

<0.001

Fetal growth restriction

0 (0%)

11 (16.4%)

<0.001