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Table 1 Characteristics of CDH Patients and Control Group

From: Parental risk factors for congenital diaphragmatic hernia – a large German case-control study

 

CDH patients (n = 199)

Control group (n = 597)

P value

Gender

  

0.146c

 Male

114 (57.3%)

305 (51.1%)

 

 Female

85 (42.7%)

289 (48.4%)a

 

Gestational age,

37

39

<  0.0001d

Median (range)

(32–41)

(21–45)b

 

Birth weight,

3020 g

3350 g

<  0.0001d

Median (range)

(1600–4600)

(1400–6500)

 

Twins

7 (3.5%)

11 (1.8%)

0.169c

 Monozygotic

2 (28.6%)

3 (27.3%)

 

 Dizygotic

3 (42.9%)

8 (72.7%)

 

 Unknown

2 (28.6%)

  
  1. aData was missing in 3 cases.
  2. bData was missing in 18 cases.
  3. cCalculated by the Chi-square test.
  4. dCalculated by the Mann-Whitney U-test