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Table 1 Demographics and clinical characteristics of cases and controls

From: Association of adiponectin gene variants with idiopathic recurrent miscarriage according to obesity status: a case–control study

 

Casesa

Controlsa

P b

Age at inclusion in studyc

31.6 ± 5.4

31.6 ± 4.9

0.94

Body-mass index (kg/m2)c

26.3 ± 5.4

25.2 ± 4.3

0.004

Obesity [n (%)]d

58 (19.6)

37 (12.1)

0.02

Smokers [n (%)]d

30 (10.1)

32 (10.8)

0.69

Systolic blood pressure (mmHg)c

114.2 ± 11.9

120.2 ± 17.0

< 0.001

Diastolic blood pressure (mmHg)c

72.0 ± 8.4

75.8 ± 9.1

< 0.001

Glucose (mmol/L)c

5.1 ± 0.9

5.2 ± 0.7

0.55

Menarche (years)c

12.2 ± 1.1

12.8 ± 1.0

< 0.001

Number of pregnanciesc

4.2 ± 1.5

4.0 ± 1.1

0.11

Number of childrenc

0.8 ± 1.1

4.0 ± 1.1

< 0.001

Miscarriagesc

3.6 ± 1.0

0.0 ± 0.1

< 0.001

  1. aA total of 308 RPL cases and 310 control women were included
  2. bStudent’s t-test (continuous variables), Pearson’s χ2 test (categorical variables)
  3. cMean ± SD
  4. dPercent of total within each group/subgroup