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Table 2 Autism spectrum disorder and intelligence quotient diagnostic classifications

From: Prospective investigation of autism and genotype-phenotype correlations in 22q13 deletion syndrome and SHANK3 deficiency

 

N

%

Consensus ASD diagnosis (n = 32)

  

Autism

24

75

Autism spectrum

3

9.4

Not ASD

5

15.6

Nonverbal IQ classification (n = 30)

  

Average (IQ 100–110)

1

3.3

Mild intellectual disability (IQ 50–55 to 70)

3

10

Moderate intellectual disability (IQ 35–40 to 50–55)

3

10

Severe intellectual disability (IQ 20–25 to 35–40)

7

23.3

Profound intellectual disability (IQ <20-25)

16

53.3

  1. ASD, autism spectrum disorder; IQ, intelligence quotient.