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Table 3 The maternal characteristics and 75-g OGTT results during pregnancy: The difference between women who developed postpartum diabetes and those who did not

From: Risk factors associated with the development of postpartum diabetes in Japanese women with gestational diabetes

 

Diabetes (n = 32)

Non-diabetes (n = 274)

P value*

Maternal age (years)

34.3 ± 4.6

32.9 ± 5.1

0.14

Nulliparous (%)

11 (34%)

125 (46%)

0.22

Family history of diabetes (%)

13 (41%)

110 (41%)

1.0

Pre-pregnancy BMI (kg/m2)

25.9 ± 5.7

23.2 ± 4.7

0.0032

Pre-pregnancy BMI ≥25 kg/m2

17 (53%)

76 (28%)

0.0031

GA at OGTT (weeks)

23.8 ± 7.9

24.3 ± 6.6

0.71

JSOG criteria period

11 (34%)

105 (38%)

0.66

OGTT results during pregnancy

 Fasting PG (mg/dl)

89 ± 11

86 ± 10

0.091

 1-h PG (mg/dl)

195 ± 25

185 ± 27

0.056

 2-h PG (mg/dl)

172 ± 32

160 ± 25

0.016

 HbA1c (%) (n = 269)

5.8 ± 0.4 (n = 29)

5.5 ± 0.4 (n = 240)

<0.001

Insulin therapy during pregnancy (%)

25 (78%)

137 (51%)

0.0031

Weight gain during pregnancy (kg)

7.6 ± 3.9

7.2 ± 5.2

0.72

Follow-up period (weeks) (median, range)

59 ± 53 (47, 7–230)

69 ± 62 (58, 7–291)

0.39

At least two follow-up OGTT (%)

26 (81%)

203 (74%)

0.63

More than 12 months follow-up OGTT (%)

14 (44%)

151 (55%)

0.40

  1. * P values represent comparisons between women who developed diabetes and those who did not using Student’s t-test or a chi-squared test
  2. BMI body mass index, GA gestational age, OGTT oral glucose tolerance test, JSOG Japan Society of Obstetrics and Gynecology, PG plasma glucose