Table 1 Neonatal characteristics of children included in the INTERGROWTH-21st Neurodevelopment Assessment Study compared to children lost to follow-up
Children evaluated (n = 1307) | Children lost to follow-up (n = 331) | |
|---|---|---|
Gestational age at delivery, weeks | 39.4 (1.5) | 39.3 (1.5) |
Birthweight, kg | 3.2 (0.5) | 3.2 (0.5) |
Birth length, cm | 49.0 (2.0) | 49.0 (2.1) |
Head circumference at birth, cm | 33.9 (1.4) | 34.0 (1.3) |
Apgar at 5 min | 9.5 (0.6) | 9.6 (0.7) |
Age at hospital discharge, daysa | 3.0 (2.0, 4.0) | 2.0 (1.0, 3.0) |
Boys | 624 (47.7) | 160 (48.3) |
Preterm birth (<37 weeks’ gestation by LMP) | 54 (4.1) | 16 (4.8) |
Early preterm (<34 weeks’ gestation by LMP) | 6 (0.5) | 2 (0.6) |
NICU stay > 1 day; <3 days | 47 (3.6) | 18 (5.5) |
NICU > 3 days | 33 (2.5) | 12 (3.6) |
Hyperbilirubinaemia | 66 (5.1) | 18 (5.5) |
Respiratory distress syndrome | 29 (2.2) | 7 (2.1) |
Transient tachypnoea of the newborn | 18 (1.4) | 12 (3.6) |
Exclusive breastfeeding at hospital discharge | 1209 (92.6) | 300 (90.9) |
