| Full HR-ASD | Matching HR-ASD | Nonmatching HR-ASD | p value |
---|---|---|---|---|
Behavioral assessments (mean ± SD (n)) | ||||
 ADOS | ||||
  24-month severity score | 4.81 ± 2.5 (25) | 4.21 ± 2.29 (14) | 5.81 ± 2.79 (11) | 0.15 |
  36-month severity score | 4.9 ± 2.19 (23) | 3.85 ± 1.68 (13) | 6.3 ± 2.93 (10) | 0.006 |
12-month MSEL | n = 27 | n = 14 | n = 13 | Â |
 Composite scaled score | 99.0 ± 15.0 | 102.9 ± 13.3 | 94.8 ± 16.0 | 0.16 |
 Verbal developmental quotient | 90.0 ± 20.5 | 93.1 ± 20.4 | 86.7 ± 21.0 | 0.43 |
 Non-verbal developmental quotient | 116.7 ± 13.4 | 121 ± 12.1 | 112 ± 13.7 | 0.08 |