Table 1.
Age, genotype, IQ standard scores (SS), language SS, language impairment classification, and current speech-language therapy status for participants divided by cognitive status
| Group | Mean age Median age (range) in years |
Genotype (N, %) | IQ Mean SS Median SS (range) |
Receptive language Mean SS Median SS (range) |
Expressive language Mean SS Median SS (range) |
Classification and type of language impairment (N, %) | Currently receiving speech-language therapy N (%) |
|---|---|---|---|---|---|---|---|
| A Typical IQ (N = 16) | 8.2 7.8 (4.6–13.2) |
Q188R/Q188R (4, 25%) Q188R/other (9, 56%) Unknown (3, 19%) |
99 100.5 (86–111) |
91 88 (69–113) |
88 84.5 (73–118) |
Language impaired (9, 56%) Expressive only (6, 38%) Mixed receptive-expressive (3, 18%) |
10 (63%) |
| B Borderline-Low IQ (N = 17) | 9.3 8.7 (4.8–16.1) |
Q188R/Q188R (9, 53%) Q188R/other (3, 18%) Unknown (5, 29%) |
74 76 (40–84) |
71 71 (40–89) |
73 75 (40–99) |
Language impaired (15, 88%) Expressive only (2, 12%) Mixed receptive-expressive (13, 76%) |
15 (88%) |