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Table 5 Delivery-related characteristics of the studied men’s firstborn children a

From: Congenital heart disease in men – birth characteristics and reproduction: a national cohort study

 

Complex CHD

Simple CHD

No CHD

 
 

Count

%

Count

%

Count

%

P-value

Birthweight (g) (mean) b

3651

 

3526

 

3521

  

complex vs simple

      

0.294

complex vs none

      

0.210

simple vs none

      

0.982

Gestational length (weeks) (mean) b

39.8

 

39.3

 

39.3

  

complex vs simple

      

0.134

complex vs none

      

0.104

simple vs none

      

0.996

Born preterm c

      

0.275

Yes

1

1.9

24

7.5

6894

6.3

 

No

53

98.1

297

92.5

102898

93.7

 

Born small-for-gestational-age c

      

0.843

Yes

1

1.9

8

2.5

2253

2.1

 

No

53

98.1

306

97.5

105787

97.9

 

Born large-for-gestational age c

      

0.836

Yes

1

1.9

10

3.2

3547

3.3

 

No

53

98.1

304

96.8

104493

96.7

 

Twin birth c

      

0.492

Yes

0

0

6

1.9

1471

1.3

 

No

54

100

315

98.1

108573

98.7

 

Instrumental delivery c

      

0.753

Yes

6

11.1

37

11.5

11324

10.3

 

No

48

88.9

284

88.5

98720

89.7

 

Caesarean section c

      

0.551

Yes

7

13.0

54

16.8

16278

14.8

 

No

47

87.0

267

83.2

93766

85.2

 

Congenital anomalies c

      

0.961

Yes

3

5.6

15

4.7

5298

4.8

 

No

51

94.4

306

95.3

104746

95.2

 
  1. aAnalysis performed on all 109 928 eligible children.
  2. bAnalysis of variance corrected by Tukey-Kramer procedure.
  3. cChi-squared test, overall comparisons.