ArticlePloS one2026
Comparison and trends in outcomes of inborn and outborn infants born before 33 weeks' gestation.
Article in PloS one, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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7 authors.
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Abstract
objectiveTo compare clinical care and outcome of preterm infants born in a tertiary neonatal unit with those requiring early postnatal transport to the same unit, and analyze their trends over a 9-year period. STUDY
designA retrospective study of infants born before 33 weeks' gestation between 2013 and 2021. Inborn (n = 913) and outborn (n = 133) infants were compared using logistic regression and trend analysis.
resultOutborn infants more frequently required intubation in delivery room (59.4% vs. 32.3%, p < 0.001) and mechanical ventilation (69.2% vs. 44.5%, p < 0.001). They more frequently had severe intraventricular haemorrhage (IVH, 15% vs. 8.1%, p = 0.027) and had lower survival rate (88.7% vs. 91.9%, p = 0.02). Birth outside a tertiary neonatal unit increased the risk of severe IVH [odds ratio: 2.4 (95% confidence interval: 1.3-4.3)]. Only inborn infants showed decreasing trends in delivery room intubation (annual percentage change, APC: -21.2%, p < 0.001) and mechanical ventilation (APC: -8.3%, p = 0.001).
conclusionOutborn infants continue to require more invasive respiratory support and experience worse outcomes.
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