Table 2.
Data of general characteristics for the extremely preterm (EPT), very preterm (VPT), and full-term (FT) children at birth and at investigation
| EPT group (A) n = 36, boys/girls 26/10 | VPT group (B) n = 38, boys/girls 21/17 | FT group (C) n = 42, boys/girls 23/19 | ||
|---|---|---|---|---|
| Variables | Mean (SD) | Mean (SD) | Mean (SD) | Group differences |
| At birth | ||||
| Gestational age (weeks) | 26.7 (0.9) | 30.7 (1.2) | 39.8 (1.0) | A,B/C***, A/B*** |
| Birth weight (g) | 924 (241) | 1589.2 (371) | 3566.1 (474) | A,B/C***, A/B*** |
| At investigation | ||||
| Age (years) | 9.0 (0.6) | 9.3 (0.4) | 9.3 (0.5) | A/C*, A/B and B/C NS |
| Height (cm) | 133.3 (8.1) | 137.3 (6.1) | 139.2 (6.7) | A/C**, A/B and B/C NS |
| Weight (kg) | 29.5 (6.8) | 32.7 (7.4) | 36.5 (7.3) | A/C***, A/B and B/C NS |
| Head circumference (cm) | 52.2 (1.5) | 52.8 (1.6) | 53.6 (1.5) | A/C***, B/C* and A/B NS |
NS not significant
*p < .05; **p < .01; ***p < .001