Table 1.
Cognitive and adaptive behaviour skills at 7, 14, 24, 36 and 84 months
| 7-month visit | 14-month visit | 24-month visit | 36-month visit | 84-month visit | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| LR | HR-non-ASD | HR-ASD | LR | HR-non-ASD | HR-ASD | LR | HR-non-ASD | HR-ASD | LR | HR-non-ASD | HR-ASD | LR | HR-non-ASD | HR-ASD | |
| FSIQ | |||||||||||||||
| M | 104.87 | 95 | 97.64 | 109.3 | 104.48 | 95.43 | 119.07 | 105.74 | 102.29 | 121.07 | 109.26 | 102.14 | 117.77 | 108.35 | 109.79 |
| SD | 10.62 | 9.2 | 16.82 | 15.87 | 11.74 | 14.65 | 13.46 | 16.02 | 18.59 | 13.03 | 17.05 | 24.8 | 12.14 | 12.9 | 21.36 |
| n | 30 | 23 | 14 | 30 | 23 | 14 | 30 | 23 | 14 | 30 | 23 | 14 | 30 | 23 | 14 |
| NVIQ | |||||||||||||||
| M | 104.93 | 98.92 | 96.81 | 107.31 | 102.81 | 91.93 | 108.14 | 98.66 | 94.48 | 106.99 | 101.7 | 93.36 | 110.73 | 103.13 | 109.57 |
| SD | 13.83 | 12.93 | 19.19 | 12.32 | 10.05 | 13.49 | 12.62 | 11.7 | 16.13 | 10.32 | 13.98 | 16.5 | 12.7 | 9.97 | 18.26 |
| n | 30 | 23 | 14 | 30 | 23 | 14 | 30 | 23 | 14 | 30 | 23 | 14 | 30 | 23 | 14 |
| VIQ | |||||||||||||||
| M | 105.63 | 93.3 | 100.69 | 104.24 | 102.23 | 98.74 | 106.74 | 98.24 | 95.54 | 107.69 | 96.71 | 94.86 | 119.58 | 111.09 | 110.14 |
| SD | 13.22 | 9.95 | 18.72 | 13.82 | 12.53 | 14.53 | 10.46 | 12.76 | 14.78 | 10.29 | 11.89 | 20.3 | 14.23 | 15.22 | 25.87 |
| n | 33 | 23 | 14 | 33 | 23 | 14 | 33 | 23 | 14 | 33 | 23 | 14 | 33 | 23 | 14 |
| ABC | |||||||||||||||
| M | 99.9 | 90.73 | 95.27 | 101.34 | 94.68 | 92.8 | 108.03 | 102.32 | 102.6 | 106.48 | 97.82 | 95.07 | 111.1 | 101.86 | 90.27 |
| SD | 13.83 | 16.76 | 13.77 | 9.44 | 14.03 | 13.35 | 12.92 | 8.32 | 12.37 | 9.19 a | 9.83 b | 16.65 b | 6.97a | 12.85b | 15.46c |
| n | 29 | 22 | 15 | 29 | 22 | 15 | 29 | 22 | 15 | 29 | 22 | 15 | 29 | 22 | 15 |
| Comm | |||||||||||||||
| M | 102.13 | 90.04 | 95.33 | 102.10 | 95.48 | 92.33 | 106.77 | 102.83 | 101.13 | 107.03 | 97.48 | 96.87 | 117.43 | 110.87 | 104.53 |
| SD | 14.85 | 22.55 | 12.54 | 7.75 | 17.28 | 16.22 | 12.26 | 8.78 | 14.21 | 11.07 | 9.04 | 19.33 | 10.87 | 13.94 | 18.08 |
| n | 30 | 23 | 15 | 30 | 23 | 15 | 30 | 23 | 15 | 30 | 23 | 15 | 30 | 23 | 15 |
| Soc | |||||||||||||||
| M | 103.87 | 97.05 | 98.73 | 100.1 | 99.05 | 94.73 | 106.63 | 100.41 | 97.13 | 106.9 | 97.82 | 90.67 | 110.9 | 104.59 | 84 |
| SD | 12.97 | 16.47 | 16.44 | 10.9 | 13.65 | 15.69 | 13.84 a | 7.45 ab | 10.32 b | 9.87 a | 12.05 b | 15.92 b | 5.29 a | 11.89 a | 17.49 b |
| n | 30 | 22 | 15 | 30 | 22 | 15 | 30 | 22 | 15 | 30 | 22 | 15 | 30 | 22 | 15 |
| DLS | |||||||||||||||
| M | 98.24 | 97.09 | 101.93 | 99.38 | 93.7 | 91.53 | 106 | 105.48 | 106.47 | 107.03 | 101.48 | 98.67 | 105.31 | 98.7 | 86.07 |
| SD | 16.75 | 18.04 | 15.03 | 10.07 | 12.76 | 13.8 | 10.37 | 9.43 | 11.67 | 8.05 | 9.03 | 18.79 | 9.29 a | 10.36 a | 15.65 b |
| n | 29 | 23 | 15 | 29 | 23 | 15 | 29 | 23 | 15 | 29 | 23 | 15 | 29 | 23 | 15 |
FSIQ (Full scale IQ): Mullen Early Learning Composite Standard Score and Wechsler Abbreviated Scale of Intelligence (WASI) Full Scale IQ; NVIQ (Non-verbal IQ): Mullen gross motor, fine motor, visual reception and WASI Perceptual Reasoning Index; VIQ (Verbal IQ): Mullen Expressive and Receptive Language and WASI Verbal Comprehension Index; ABC, Comm, Soc and DLS = Vineland Adaptive Behaviour Composite Standard Score, Communication, Socialisation and daily living skills domains Standard Score
Simple main effects of significant group × time interactions (p < .05) are marked in bold. Groups marked with different superscript letters (a, b, c) differed significantly with Bonferroni correction applied (p < .05)