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Table 1 Clinical characteristics of healthy non-pregnant and pregnant women and preeclamptic patients

From: Serum leptin levels in relation to circulating cytokines, chemokines, adhesion molecules and angiogenic factors in normal pregnancy and preeclampsia

  Healthy non-pregnant women (n = 59) Healthy pregnant women (n = 60) Preeclamptic patients (n = 60)
Age (years) 28 (23-35) 30 (28-32) 29 (26-32)
Pre-pregnancy BMI (kg/m2) n.a. 21.0 (19.5-22.6) 25.5 (21.6-28.1)d
BMI at blood draw (kg/m2) 20.8 (19.6-22.9) 25.8 (24.3-27.9)b 29.9 (26.9-33.3)b, d
Smokers 14 (23.7%) 0 (0%)b 3 (5.0%)a
Primiparas n.a. 37 (61.7%) 38 (63.3%)
Systolic blood pressure at blood draw (mmHg) 115 (110-120) 110 (107-120) 162 (155-180)b, d
Diastolic blood pressure at blood draw (mmHg) 80 (70-80) 70 (60-80)b 100 (97-110)b, d
Gestational age at blood draw (weeks) n.a. 36 (36-37) 37 (36-39)
Gestational age at delivery (weeks) n.a. 39 (38-40) 38 (37-39)d
Fetal birth weight (grams) n.a. 3450 (3150-3700) 3125 (2450-3475)d
Fetal growth restriction n.a. 0 (0%) 11 (18.3%)d
  1. Data are presented as median (interquartile range) for continuous variables and as number (percentage) for categorical variables
  2. n.a.: not applicable; BMI: body mass index
  3. a p < 0.05 versus healthy non-pregnant women
  4. b p < 0.001 versus healthy non-pregnant women
  5. c p < 0.05 preeclamptic patients versus healthy pregnant women
  6. d p < 0.001 preeclamptic patients versus healthy pregnant women