Association of early postnatal transfer and birth outside a tertiary hospital with mortality and severe brain injury in extremely preterm infants: observational cohort study with propensity score matching

AbstractObjectiveTo determine if postnatal transfer or birth in a non-tertiary hospital is associated with adverse outcomes.DesignObservational cohort study with propensity score matching.SettingNational health service neonatal care in England; population data held in the National Neonatal Research...

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