Cognitive development at 5 years; mean (SEM) BAS-II subscale and GCA scores
| BAS-II scores | Portage | Parent adviser | Preterm control | Term reference | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| n | Mean | SD | n | Mean | SD | n | Mean | SD | n | Mean | SD | |
| Verbal reasoning | 67 | 101.8 | 13.2 | 64 | 102.0 | 13.5 | 67 | 99.3 | 18.0 | 63 | 107.7 | 12.8 |
| Spatial ability | 62 | 99.8 | 16.9 | 61 | 96.4 | 16.0 | 63 | 99.1 | 14.1 | 57 | 105.8 | 13.9 |
| Pictorial representation | 65 | 97.7 | 13.7 | 61 | 101.5 | 17.2 | 64 | 101.3 | 15.2 | 59 | 103.3 | 13.7 |
| GCA | 63 | 99.2 | 15.7 | 61 | 100.3 | 14.8 | 63 | 101.1 | 15.0 | 57 | 107.2 | 13.4 |