Table 1 Clinical features of the study population.

From: Placental and maternal sFlt1/PlGF expression in gestational diabetes mellitus

 

CTRL (n = 17)

GDM (n = 27)

GDM-PE (n = 22)

PE (n = 17)

p value

Nulliparus (%)

29

30

45

53

> 0.05

Maternal age at delivery (years)

31.8 ± 1.1 (24–40)

34.3 ± 0.8 (27–44)

34.9 ± 0.9 (23–43)

32.6 ± 1.1 (26–40)

> 0.05

Caucasian ethnicity (%)

100

100

95

100

> 0.05

Cigarette smoking (%)

5.9

11.1

13.6

0

> 0.05

Alcohol (%)

0

0

0

0

> 0.05

Pre-pregnancy BMI

22.7 ± 0.8

27.4 ± 1.3

30.6 ± 2.6#

26.8 ± 1.1

GDM-PE vs CTRL: p = 0.001

Pre-pregnancy BMI ≥ 25 kg/m2 (%)

24

52#

64#

65#

GDM-PE vs CTRL: p = 0.01

GDM vs CTRL: p = 0.049

PE vs CTRL: p = 0.01

Pre-pregnancy BMI ≥ 30 kg/m2 (%)

0

26#

55*#

29#

GDM-PE vs GDM: p = 0.049

GDM-PE vs CTRL: p < 0.001

GDM vs CTRL: p = 0.02

PE vs CTRL: p = 0.01

Delivery BMI (kg/m2)

27.2 ± 0.8

30.5 ± 1.2

33.8 ± 1.6#

30.4 ± 1.1

GDM-PE vs CTRL: p = 0.005

Systolic blood pressure (mm Hg)

122.5 ± 2.3

129.7 ± 2.2

167 ± 5.1*#

163.4 ± 6.1*#

GDM-PE vs GDM: p < 0.001

GDM-PE vs CTRL: p < 0.001

PE vs GDM: p < 0.001

PE vs CTRL: p < 0.001

Diastolic blood pressure (mm Hg)

71.4 ± 2.1

75.1 ± 1.5

100.7 ± 2.5*#

99.1 ± 3.6*#

GDM-PE vs GDM: p < 0.001

GDM-PE vs CTRL: p < 0.001

PE vs GDM: p < 0.001

PE vs CTRL: p < 0.001

Proteinuria (g/24 h)

Absent

0.03 ± 0.03

2.30 ± 0.5*#

3.05 ± 0.7*#

GDM-PE vs GDM: p < 0.001

GDM-PE vs CTRL: p = 0.001

PE vs GDM: p < 0.001

PE vs CTRL: p < 0.001

A/REDF (%)

0

0

18.2*

29.4*#

GDM-PE vs GDM: p = 0.01

PE vs GDM: p = 0.02

PE vs CTRL: p = 0.03

Pathological uterine doppler (%)

0

0

18.2*

41.2*#

GDM-PE vs GDM: p = 0.03

PE vs GDM: p = 0.001

PE vs CTRL: p = 0.003

Therapy (%)

Absent

Diet: 63

Insulin: 37

Diet: 73

Insulin: 27

Absent

> 0.05

Caesarian section (%)

53

52

95.4*#

76.5

GDM-PE vs GDM: p = 0.001

GDM-PE vs CTRL: p = 0.002

Hematocrit (%)

34.9 ± 0.7

35.6 ± 0.7

33.6 ± 0.8

34.2 ± 0.7

p > 0.05

Platelet (× 103/μl)

244.7 ± 13.1

250.6 ± 14.3

252.1 ± 17.1

189.1 ± 18.2*

PE vs GDM: p = 0.048

AST (U/l)

17.3 ± 0.7

15.0 ± 0.7

22.2 ± 3.3

33.6 ± 9.4*

PE vs GDM: p = 0.04

ALT (U/l)

11.4 ± 1.0

11.6 ± 1.0

18.4 ± 3.7

27.6 ± 9.2

p > 0.05

Fibrinogen (mg/dl)

456.7 ± 19.5

519.7 ± 24.7

522.1 ± 22.7

486.9 ± 20.6

p > 0.05

Gestational age at delivery (weeks)

39.4 ± 0.2 (36–41)

38.2 ± 0.3 (33–41)

34.6 ± 0.7*# (28–40)

33.9 ± 1*# (26–39)

GDM-PE vs GDM: p = 0.004

GDM-PE vs CTRL: p = 0.001

PE vs GDM: p < 0.001

PE vs CTRL: p < 0.001

Placental weight (g)

556.5 ± 20.7

514.1 ± 22.3

417.3 ± 31#

380.3 ± 38.3*#

GDM-PE vs CTRL: p = 0.007

PE vs GDM: p = 0.009

PE vs CTRL: p = 0.001

Birth weight (g)

3346.2 ± 92.8

3112 ± 100

2108.6 ± 198.4*#

1866.3 ± 237.3*#

GDM-PE vs GDM: p < 0.001

GDM-PE vs CTRL: p < 0.001

PE vs GDM: p < 0.001

PE vs CTRL: p < 0.001

Apgar < 7 at 5 min (%)

0

3.7

18.2

29.4

p > 0.05

NICU admission (%)

0

7.4

31.8*#

41.2*#

GDM-PE vs GDM: p = 0.03

GDM-PE vs CTRL: p = 0.01

PE vs GDM: p = 0.01

PE vs CTRL: p = 0.003

Fetal sex (%)

Male

29.4

59.3

40.0

35.0

> 0.05

Female

70.6

40.7

60.0

65.0

> 0.05

  1. Comparisons of CTRL, GDM, GDM-PE and PE and PE pregnancies clinical features. Values are expressed as mean ± Standard Error (SE) and percentage. Comparisons among groups were done by ANOVA, which, if significant, was followed by pairwise analysis using the Bonferroni method. Categorical variables are presented as frequencies (percentages) and the comparison between different groups was done with Chi-Square Test.
  2. Significant differences (p ≤ 0.05): #differences indicating a significant effect compared with CTRL; *differences indicating a significant effect compared with GDM; §differences indicating a significant effect compared with PE and ^differences indicating a significant effect compared with GDM-PE.
  3. BMI body mass index, A/REDF absent/reverse end diastolic flow, AST aspartate aminotransferase, ALT alanine aminotransferase, NICU Neonatal Intensive Care Uni.