Table 2. Mean cognitive, language and motor scores among infants born preterm and full-term.
| Bayley III subtests | Preterm (n = 45) | Full-term (n = 90) | P | ||
|---|---|---|---|---|---|
| Composite scores | Mean | (SD) | Mean | (SD) | |
| Cognition | 110.6 | (9.1) | 111.1 | (7.6) | 0.71 |
| Language | 108.2 | (8.9) | 109.7 | (9.8) | 0.39 |
| Motor | 106.1 | (11.4) | 108.1 | (9.9) | 0.30 |
| Balanced scores | |||||
| Language | |||||
| Receptive communication | 12.1 | (2.0) | 11.9 | (2.1) | 0.73 |
| Expressive communication | 10.6 | (1.7) | 11.3 | (1.8) | 0.06 |
| Motor | |||||
| Fine motor skills | 11.5 | (2.4) | 11.6 | (1.8) | 0.71 |
| Gross motor skills | 10.5 | (2.5) | 11.0 | (2.4) | 0.23 |
SD = standard deviation.