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Table 1 Demographic data and clinical characteristics of the study population

From: Phosphodiesterase 8B gene polymorphism in women with recurrent miscarriage: A retrospective case control study

 

Cases (n = 188)

Controls (n = 391)

p-value

Age, years

30.1 ± 5.8

30.1 ± 5.8

0.989

BMI, kg/m2

24.7 ± 4.8

23.9 ± 4.0

0.031

Smokers, n (%)

34 (18.1%)

42 (10.7%)

0.015

Hypothyroidism, n (%)

16 (8.5%)

12 (3.1%)

0.006

  1. Values are mean ± standard deviation; n, numbers of women; BMI, body mass index: BMI at inclusion (cases), BMI at first antenatal visit (controls); Smokers: smoker during ≥1 pregnancy ending with miscarriage (cases), smoker at first visit to the prenatal center in gestational week 10 (controls); Hypothyroidism: elevated serum TSH-levels according to local laboratory limits.