| Age of ASD diagnostic confirmation | 3.5 years | 18 years | N/A |
| Social responsiveness scale-2 | 83 T | 72 T | 56 T (spouse-report) |
| Depression and anxiety | Yes | Yes | No |
| Seizure history | No | No | No |
| Developmental delay | Yes | No | No |
| Eye contact | Poor | Fair | Good |
| Repetitive behavior | Yes | No | No |
| Abnormal sensory sensitivities | Yes | No | No |
| IQ | 65 | 102 (Raven) | 108 (Raven) |
| Speech delay | Yes | No | No |
| ASD | Severe | Moderate | No |
| Intellectual disability | Yes | No | No |
| Mutation location | GPD2 | GPD2 | GPD2 |
| chr2:157352686 (hg19) G>A | chr2:157352686 (hg19) G>A | chr2:157352686 (hg19) G>A |
| p.G78E, c.233G>A | p.G78E, c.233G > A | p.G78E, c.233G>A |
