Characteristics of regression in young children with autism spectrum disorder
| Characteristics | Value |
|---|---|
| Classification of regression | |
| Regression related to language skills | 77 (74.03) |
| - Spontaneous use of at least five meaningful words | 62 |
| - Communicative intent | 55 |
| - Syntactical skills (grammar) | 0 |
| - Articulation (pronunciation) | 8 |
| Regression related to other skills | 46 (44.23) |
| - Purposive hand movements | 9 |
| - Motor skills | 5 |
| - Self-help skills | 17 |
| - Imaginative play skills | 8 |
| - Social responsiveness/engagement | 29 |
| Both | 19 (18.27) |
| Mean age at regression onset (months) | |
| Regression related to language skills | 26.24±9.48 |
| Regression related to other skills | 24.22±10.13 |
| Lost skills regained | |
| Regression related to language skills | 46 (59.74) |
| Regression related to other skills | 17 (36.96) |
| Duration of regression (months) | |
| Regression related to language skills | 19.04±16.10 |
| Regression related to other skills | 22.35±15.34 |
Data are presented as mean±standard deviation or n (%).