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Table 2 Autism Diagnostic Interview-Revised (ADI-R) of the patient at the age of 41.8 months

From: Endoplasmic reticulum retention and degradation of a mutation in SLC6A1 associated with epilepsy and autism

Domain Score
Qualitative Abnormalities in Reciprocal Social Interaction (RSD)
 Failure to use nonverbal communication to regulate social interaction (A1) 6
 Failure to develop peer relationships (A2) 4
 Lack of shared enjoyment (A3) 6
 Lack of socioemotional reciprocity (A4) 8
 Subtotal (Cut-off) 24 (10)
Qualitative Impairments in Communication and Language (COM)
 Lack of, or delay in, spoken language and failure to compensate through gesture (B1) 8
 Lack of varied spontaneous make-believe or social imitative play (B4) 6
 Subtotal (Cut-off) 14 (7)
Restricted, Repetitive, and Stereotyped Behaviors and interests (RRB)  
 Encompassing preoccupations or circumscribed pattern of interest (C1) 0
 Apparently Compulsive Adherence to Nonfunctional Routines or Rituals (C2) 0
 Stereotyped and repetitive motor mannerisms (C3) 2
 Preoccupation with part of objects or nonfunctional elements of material (C4) 2
 Subtotal (Cut-off) 4 (3)
Abnormality of development evident at or before 36 months (Cutoff) 5 (1)
Total (Cut-off) 47 (21)
  1. COM qualitative abnormalities in communication, RRB restricted and repetitive Behavior; RSI qualitative abnormalities in reciprocal social interaction