Neurodevelopmental findings in children aged 2 years, 5 years and 8 years
| 2-year-old children (n=48) | Cognitive DQ | Language DQ | Motor DQ | |
| Mean score and SD | 100.3±20.5 | 98.9±22.6 | 96.6±17.3 | |
| N (%) <85 | 8 (17%) | 11 (23%) | 9 (19%) | |
| N (%) <70 | 3 (6%) | 7 (15%) | 4 (8%) | |
| 5-year-old children (n=26) | FSIQ | VIQ | PIQ | PSQ |
| Mean score and SD | 102.9±12.3 | 101.2±12.1 | 104.3±14.2 | 107.4±14.3 |
| N (%) <85 | 2 (7%) | 1 (4%) | 4 (15%) | 1 (4%) |
| N (%) <70 | 0 (0%) | 1 (4%) | 0 (0%) | 0 (0%) |
| 8-year-old children (n=27) | FSIQ | VCI | PRI | PSI |
| Mean score and SD | 99.7±19.2 | 96.4±21.6 | 101.4±17.8 | 99.8±17.4 |
| N (%) <85 | 4 (15%) | 7 (25%) | 3 (11%) | 5 (18%) |
| N (%) <70 | 2 (7%) | 3 (11%) | 1 (4%) | 1 (4%) |
DQ, developmental quotient; FSIQ, full-scale IQ; PIQ, performance IQ; PRI, perceptual reasoning index; PSI, processing speed index; PSQ, processing speed quotient; VCI, verbal comprehension index; VIQ, verbal IQ.