Treating Retinopathy of Prematurity with Dexamethasone Eye Drops : A Difference-in-Differences Study in Sweden Using Register Data
PURPOSE: To estimate the effect of dexamethasone eye drops on the risk of progression from type 2 retinopathy of prematurity (ROP) to ROP requiring traditional treatments.DESIGN: Register-based cohort study.PARTICIPANTS: Preterm infants born before 30 weeks' gestation from 2015-2018 (control years) and from 2020-2021 (intervention years) registered in the Swedish Quality Register for ROP at 4 Swed
