Table 1 Demographic and clinical variables of the study population.

From: Ultrasound estimated subcutaneous and visceral adipose tissue thicknesses and risk of pre-eclampsia

 

Pre-eclampsia (n = 138)

Non-pre-eclampsia (n = 3639)

p-value

Maternal age, years

30.3 ± 4.8

30.6 ± 4.8

0.389

Nulliparous

86 (62.3%)

1575 (43.3%)

< 0.001

First trimester BMI, kg/m2

27.5 ± 6.5

25.0 ± 4.9

< 0.001

< 18.5 (underweight)

4 (2.9%)

82 (2.3%)

 

18.5–24.9 (normal weight)

57 (41.3%)

2076 (57%)

 

25.0–29.9 (overweight)

37 (26.8%)

899 (24.7%)

 

 ≥ 30.0 (obese)

40 (29%)

588 (15.3%)

 

Smoking

4 (2.9%)

77 (2.1%)

0.533

Born outside EU

22 (15.9%)

503 (13.8%)

0.453

Prophylactic aspirin treatment

6 (4.3%)

49 (1.3%)

0.004

Assisted reproduction

4 (2.9%)

183 (5%)

0.257

Rheumatic disorder

1 (0.7%)

24 (0.7%)

0.926

Inflammatory disorder

1 (0.7%)

28 (0.8%)

0.953

Gestational length at birth, days

271 ± 19

278 ± 11

< 0.001

Preterm birth

22 (15.9%)

140 (3.8%)

< 0.001

Birth weight, grams

3263 ± 754

3577 ± 509

< 0.001

SGA

9 (6.8%)

27 (0.8%)

< 0.001

LGA

7 (5.3%)

136 (3.8%)

0.247

  1. Data presented as mean ± SD or n (%). BMI = body mass index; SGA = small for gestational age (birth weight below the third percentile); LGA = large for gestational age (birth weight above 97th percentile). Statistical analyses by independent t-test or Chi-square test.