Table 2

Summary statistics for gestational age and birth weight of the 257 preterm infants according to their atopic background

Parents’ atopic backgroundnMeanSDRange
Gestational age (weeks)Atopic13834.41.928–36
Non-atopic11934.41.728–36
Birth weight (kg)Atopic1382.40.51.2–3.6
Non-atopic1192.30.51.0–3.4