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Table 1 Characteristics of placenta samples were assessed on the Illumina Infinium Array

From: Identification of diagnostic biomarkers in patients with gestational diabetes mellitus based on transcriptome gene expression and methylation correlation analysis

Characteristic

Cases (n = 41)

Controls (n = 41)

p-value

Pre-pregnancy BMI (kg/m2)

26.653 (5.733)

26.410 (5.422)

p = 0.7635

Maternal Age (years)

33.171 (4.652)

33.487 (4.853)

p = 0.7635

Gravidity

  

p = 0.3891

 1

8 (19.51%)

4 (9.76%)

 

 2

11 (26.83%)

16 (39.02%)

 

 3

13 (31.71%)

10 (24.39%)

 

  > 4

8 (19.51%)

11 (26.83%)

 

Smoke during Pregnancy

 No

38 (92.683%)

38 (92.683%)

p = 1

 Yes

3 (7.317%)

3 (7.317%)

 

Infant Sex

 Males

20 (48.78%)

21 (48.78%)

p = 1

 Females

21 (51.22%)

20 (51.22%)

 

Ethnicity

 Non-Hispanic White

23 (56.098%)

23 (56.098%)

p = 0.9437

 Hispanic or Latino

5 (12.195%)

4 (9.756%)

 

 Asian/Pacific Islander

7 (17.073%)

6 (14.634%)

 

 Black/African-American

6 (14.634%)

8 (19.512%)

 

Conception

 Spontaneous planned

24 (58.537%)

24 (58.537%)

p = 1

 Spontaneous unplanned

12 (29.268%)

12 (29.268%)

 

 Ovulation-induction drug

2 (4.878%)

2 (4.878%)

 

 IVF

3 (7.317%)

3 (7.317%)

 

 Gestational Age (weeks)

39.077 (0.932)

39.206 (1.047)

p = 0.5576