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Table 5 LEAP participant characteristics; twin cohort

From: The EU-AIMS Longitudinal European Autism Project (LEAP): design and methodologies to identify and validate stratification biomarkers for autism spectrum disorders

  

MZ/ DZ twin pairs (at least one ASD sibling)

TD twins

  

Twin 1: ASD

Twin 2: ASD or TD

Twin 1

Twin 2

Diagnosis

Sex

N

36

36

15

15

ASD (%)

100

66.7

71.5

65.8

Males:female (%)

61.5:38.4

70.2:29.9

56.3:43.7

53.3:46.7

Age (in years)

M

15.9

15.9

16.8

16.9

SD

4.5

4.5

2.9

2.9

Range

6–27

6–27

12–21

12–21

Full-scale IQ

M

94.1

94.2

103.6

103.7

SD

19.5

19.0

13.7

12.6

Range

40–122

58–130

76–124

79–126