Table 3.
Results on the language assessments for the total group and divided by ASD subgroups
| Sentence comprehension (RDLS), median (SD) percentiles, n=83 | Word comprehension (SPIQ), median (lower–upper quartile) stanines, n=83 | Word analogies (ITPA), median (lower–upper quartile) stanines, n=66 | Grammar (PT), distribution by processability level (%), n=81
|
Phonological speech production (PSPA), distribution by classification (%), n =81
|
Phonological processing (NWRT), median (SD) z-scores, n=78 | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | 2 | 3 | 4 | 5 | No problems | Minor problems | Definite problems | ||||||
| Total ASD subgroup | n=83 | 24.2 (29.3) | 4.0 (3.0–5.0) | 2.0 (1.0–4.0) | 3.7 | 6.2 | 9.9 | 43.2 | 37.0 | 64.2 | 16.0 | 19.8 | −0.9 (1.3) |
| AD (n=20) | 15.3 (22.9) | 3.5 (2.0–4.0) | 2.0 (1.0–2.75) | − (0) | 10.0 | 10.0 | 55.0 | 25.0 | 47.4 | 31.6 | 21.0 | −1.1 (1.1) | |
| PDD-NOS (n=37) | 18.5 (24.3) | 4.0 (3.0–5.5) | 1.0 (1.0–3.0) | 8.1 | 8.1 | 10.8 | 48.6 | 24.3 | 61.1 | 13.9 | 25.0 | −1.2 (1.3) | |
| AS (n=12) | 36.4 (36.5) | 5.0 (5.0–6.0) | 4.0 (3.25–5.75) | − (0) | − (0) | − (0) | 18.2 | 81.8 | 91.7 | 8.3 | − (0) | 0.3 (0.8) | |
| AFs (n=14) | 41.4 (34.7) | 5.0 (3.75–6.25) | 3.0 (2.0–4.0) | − (0) | − (0) | 15.4 | 30.8 | 53.8 | 71.4 | 7.1 | 21.4 | −0.9 (1.1) | |
Abbreviations: AD, autistic disorder; AFs, autistic features; AS, Asperger’s syndrome; ASD, autism spectrum disorder; ITPA, Illinois Test of Psycholinguistic Abilities; NWRT, nonword-repetition task; PDD-NOS, pervasive developmental disorder-not otherwise specified; PT, Processability Test; PSPA, phonological speech-production assessment; RDLS, Reynell Developmental Language Scale; SPIQ, Snabbt Performancetest på Intelligence (IQ).