Summary statistics for gestational age and birth weight of the 257 preterm infants according to their atopic background
| Parents’ atopic background | n | Mean | SD | Range | |
|---|---|---|---|---|---|
| Gestational age (weeks) | Atopic | 138 | 34.4 | 1.9 | 28–36 |
| Non-atopic | 119 | 34.4 | 1.7 | 28–36 | |
| Birth weight (kg) | Atopic | 138 | 2.4 | 0.5 | 1.2–3.6 |
| Non-atopic | 119 | 2.3 | 0.5 | 1.0–3.4 |