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Table 1 Ages and allele frequencies of study subjects

From: Testing for association of the monoamine oxidase A promoter polymorphism with brain structure volumes in both autism and the fragile X syndrome

 

Idiopathic autism

FXS - ASD

FXS + ASD

MAOA allele

High

Low

High

Low

High

Low

n

21

13

20

10

10

7

Age, mean ± sd (years)

2.7 ± 0.4

2.8 ± 0.2

2.8 ± 0.7

2.9 ± 0.6

3.0 ± 0.6

3.0 ± 0.6

IQ

54 ± 7

52 ± 7

51 ± 4

50 ± 4

60 ± 12

54 ± 5

Adaptive behavior

61 ± 6

58 ± 6

57 ± 6

57 ± 4

68 ± 12

60 ± 3

  1. Estimate of IQ is from the Mullen Composite Standard Scale score.
  2. Adaptive behavior estimate is from the Vineland Adaptive Behavior Composite.
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Journal of Neurodevelopmental Disorders

ISSN: 1866-1955

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