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Table 1 Descriptive statistics of the twin samples

From: Epigenetic signature of birth weight discordance in adult twins

 

All twins

Young twins*

Old twins*

Age, years

   

Min

30

30

57

Max

74

36

74

Median

57

33

63

Sex, pairs

   

Male

78

40

38

Female

72

33

39

Birth weight, grams

   

Min

1100

1125

1100

Max

4625

4625

4150

Mean

2528

2587

2577

Birth weight discordance, %

   

Min

5.26

10.34

5.26

Max

47.06

47.06

45.00

Mean

17.73

19.05

17.51

Gestational age, weeks

   

Min

 

33

 

Max

 

42

 

Median

 

39

 
  1. *Young twins were born after 1973 and old twins born before 1973. Gestational age was available after 1973 from The Danish Medical Birth Registry.