Objectives: To determine the incidence of refeeding syndrome in otherwise healthy children <3 years of age admitted for failure to thrive (FTT).
Methods: A multicenter retrospective cohort study was performed on patients aged ≤36 months admitted with a primary diagnosis of FTT from January 1, 2011, to December 31, 2016. The primary outcome measure was the percentage of patients with laboratory evidence of refeeding syndrome.