Long-term digestive hospitalizations of premature infants (besides necrotizing enterocolitis): is there a critical threshold?

In this study we sought to ascertain a critical threshold of the degree of prematurity and long-term digestive morbidity of the offspring. A population-based cohort analysis was conducted, comparing long-term incidence of digestive morbidity in infants born preterm. Cases were divided into four groups according to the extremity of prematurity. Digestive morbidity included hospitalizations involving a predefined set of ICD9 codes. A Kaplan–Meier...