Factors associated with the increased incidence of necrotising enterocolitis in extremely preterm infants in Sweden between two population-based national cohorts (2004-2007 vs 2014-2016).
Pontus ChallisKarin KällenLars BjörklundAnders ElfvinAijaz FarooqiStellan HåkanssonDavid LeyMikael NormanErik NormannFredrik SereniusKarin SävmanLena Hellström-WestasPetra Um BergströmUlrika ÅdénThomas AbrahamssonMagnus DomellöfPublished in: Archives of disease in childhood. Fetal and neonatal edition (2023)
The increase in NEC incidence between epochs was limited to cases occurring after 7 days of life and was partly explained by increased survival in the most extremely preterm infants. Misclassification of NEC is common.