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Table 3 Association between GDM and threatened miscarriage

From: Relationship between threatened miscarriage and gestational diabetes mellitus

 

Total (n = 1087)

Normal (n = 840)

GDM (n = 247)

OR (95% CI)

p

Adjusted OR (95% CI)

p

Threatened miscarriage, n (%)

    

0.002

 

0.009

 Negative

949 (87.3)

719 (85.6)

230 (93.1)

ref

 

ref

 

 Positive

138 (12.7)

121 (14.4)

17 (6.9)

0.44 (0.26–0.75)

 

0.38 (0.18–0.78)

 

 Amount of bleeding, n (%) (n = 137) a

    

0.11

 

0.69

  Light

117 (85.4)

100 (83.3)

17 (100.0)

ref

 

ref

 

  Heavy

20 (14.6)

20 (16.7)

0 (0.0)

0.21 (0.00–1.05)

 

0.63 (0.00–3.46)

 

 Number of bleeding episodes, n (%) (n = 137) a

    

0.13

 

0.53

   ≤ 2

108 (78.8)

92 (76.7)

16 (94.1)

ref

 

ref

 

   ≥ 3

29 (21.2)

28 (23.3)

1 (5.9)

0.21 (0.03–1.62)

 

0.50 (0.06–4.42)

 
  1. Statistical analyses were performed by univariable and multivariable logistic regression
  2. The data were adjusted for maternal age (< 35 years, ≥35 years), parity, history of prior GDM, pre-pregnancy BMI, progesterone therapy, and insulin therapy
  3. aMissing data are excluded from statistical analyses