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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.