Table 1 Demographic and clinical variables in the study population.

From: Inflammatory and anti-inflammatory markers in plasma: from late pregnancy to early postpartum

 

n

Pregnancy

n

Postpartum

p-value*

Age years, mean ± SD

198

32.5 ± 4.2

114

31.9 ± 4.2

0.260

Pre-pregnancy BMI, kg/m2, median (IQR)

198

23.1 (21.2–25.6)

114

22.8 (21.1–25.2)

0.500

Nulliparous before this pregnancy, n (%)

198

68 (34.3)

114

56 (49.1)

0.078

In vitro fertilization, n (%)

169

9 (5.3)

111

8 (7.2)

0.519

Smoking, n (%)

198

5 (2.5)

114

3 (2.6)

0.954

Inflammatory/rheumatoid disease, n (%)

198

6 (3.0)

114

1 (0.9)

0.429

Use of antibiotics at blood sampling, n (%)

198

3 (1.5)

114

0 (0.0)

0.302

Preterm birth, n (%)

198

2 (1.0)

114

6 (5.3)

0.055

Gender of offspring, boy, n (%)

198

103 (52.0)

114

59 (51.8)

0.964

EPDS score, median (IQR)

198

4 (2–7)

114

2 (1–4)

<0.0001

  1. *p-values derived from t-test, Mann-Whitney U-test and Chi2-test