Summary of psychiatric and cognitive assessment by group
| Characteristic | Controls (n = 53) | 22q11.2DS (n = 75) | P Value |
|---|---|---|---|
| Mean verbal IQ T-score (SD) | 59 (13) | 36 (9) | <.001a |
| Mean nonverbal IQ T-score (SD) | 54 (11) | 35 (11) | <.001a |
| Mean full-scale IQ (SD) | 112 (20) | 78 (12) | <.001a |
| ASD (No.) (%) | 0 (0%) | 14 (19%) | <.001b |
| ADHD (No.) (%) | 3 (5.7%) | 38 (51%) | <.001b |
| Psychotic disorder (No.) (%) | 0 (0%) | 4 (5.3%) | .14b |
| Anxiety disorders (No.) (%) | 8 (15%) | 37 (49%) | <.001b |