| A. Communication and interaction | Deficits in social-emotional reciprocity | 41 (89) |
| Deficits in nonverbal communicative behaviors used for social interaction | 36 (78) |
| Deficits in developing, maintaining, and understanding relationships Deficits in developing, maintaining, and understanding relationships | 38 (83) |
| B. Restrictive and repetitive patterns of behaviors | Stereotyped or repetitive motor movements, use of objects, or speech | 34 (74) |
| Insistence on sameness, inflexible adherence to routines, or ritualized patterns or verbal nonverbal behavior | 26 (56) |
| Highly restricted, fixated interests that are abnormal in intensity or focus | 8 (17) |
| Hyper- or hyporeactivity to sensory input or unusual interests in sensory aspects of the environment | 14 (30) |
