Table 1 Clinical characteristics of the study population.

From: Relationships between plasma leptin levels, leptin G2548A, leptin receptor Gln223Arg polymorphisms and gestational diabetes mellitus in Chinese population

Variables

GDM group (n = 357)

NGT group (n = 355)

P

Age (years)

30.27 ± 4.45

27.89 ± 3.93

<0.001

Gestational age (weeks)

25.96 ± 1.31

26.10 ± 1.51

0.19

Pre-pregnant BMI (kg/m2)

21.33 ± 3.06

20.26 ± 2.42

<0.001

BMI during 24~30 gestational weeks (kg/m2)

24.50 ± 3.16

23.48 ± 2.70

<0.001

Systolic blood pressure (mmHg)

112.7 ± 12.32

108.9 ± 10.94

<0.001

Diastolic blood pressure (mmHg)

64.96 ± 7.96

62.74 ± 7.93

<0.001

Fasting plasma glucose (mmol/L)

4.67 ± 0.55

4.31 ± 0.29

<0.001

  1. GDM: gestational diabetes mellitus; NGT: normal glucose tolerance; BMI: body mass index.
  2. †P was calculated using unpaired Student’s t-test.
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