Gestational Age, Socioeconomic Context and Infection-Related Hospital Admissions of Infants Born With Gestational Age Less Than 33 Weeks.

Using data from a regional medical follow-up network database of preterm infants born with gestational age (GA) <33 weeks, we found that low GA and deprived socioeconomic neighborhoods increased incidence of infection-related hospitalization during the first year of life. Respiratory tract infections rates were higher in extremely preterm infants.