{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,7,24]],"date-time":"2026-07-24T22:46:37Z","timestamp":1784933197003,"version":"3.55.0"},"reference-count":29,"publisher":"Springer Science and Business Media LLC","issue":"8","license":[{"start":{"date-parts":[[2021,4,6]],"date-time":"2021-04-06T00:00:00Z","timestamp":1617667200000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0"},{"start":{"date-parts":[[2021,4,6]],"date-time":"2021-04-06T00:00:00Z","timestamp":1617667200000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0"}],"funder":[{"DOI":"10.13039\/501100006390","name":"Universit\u00e9 de Lausanne","doi-asserted-by":"crossref","id":[{"id":"10.13039\/501100006390","id-type":"DOI","asserted-by":"crossref"}]}],"content-domain":{"domain":["link.springer.com"],"crossmark-restriction":false},"short-container-title":["Eur J Pediatr"],"published-print":{"date-parts":[[2021,8]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:p>Our aim was to develop and validate a predictive risk score for bronchopulmonary dysplasia (BPD), according to two clinically used definitions: 1. Need for supplementary oxygen during \u2265 28 cumulative days, BPD28, 2. Need for supplementary oxygen at 36 weeks postmenstrual age (PMA), BPD36. Logistic regression was performed in a national cohort (infants born in Switzerland with a birth weight &lt; 1501 g and\/or between 23 0\/7 and 31 6\/7 weeks PMA in 2009 and 2010), to identify predictors of BPD. We built the score as the sum of predicting factors, weighted according to their ORs, and analysed its discriminative properties by calculating the area under the ROC (receiver operating characteristic) curves (AUCs). This score was then applied to the Swiss national cohort from the years 2014\u20132015 to perform external validation. The incidence of BPD28 was 21.6% in the derivation cohort (<jats:italic>n<\/jats:italic>= 1488) and 25.2% in the validation cohort (<jats:italic>n<\/jats:italic>= 2006). The corresponding numbers for BPD36 were 11.3% and 11.1%, respectively. We identified gestational age, birth weight, antenatal corticosteroids, surfactant administration, proven infection, patent ductus arteriosus and duration of mechanical ventilation as independent predictors of BPD28. The AUCs of the BPD risk scores in the derivation cohort were 0.90 and 0.89 for the BPD28 and BPD36 definitions, respectively. The corresponding AUCs in the validation cohort were 0.92 and 0.88, respectively.<\/jats:p><jats:p><jats:italic>Conclusion<\/jats:italic>: This score allows for predicting the risk of a very low birth weight infant to develop BPD early in life and may be a useful tool in clinical practice and neonatal research.<jats:table-wrap><jats:table><jats:tbody><jats:tr><jats:td colspan=\"2\"><jats:bold>What is Known:<\/jats:bold><jats:italic>\u2022 Many studies have proposed scoring systems to predict bronchopulmonary dysplasia (BPD).<\/jats:italic><jats:italic>\u2022 Such a risk prediction may be important to identify high-risk patients for counselling parents, research purposes and to identify candidates for specific treatment.<\/jats:italic><\/jats:td><\/jats:tr><jats:tr><jats:td colspan=\"2\"><jats:bold>What is New:<\/jats:bold><jats:italic>\u2022 A predictive risk score for BPD was developed and validated in a large national multicentre cohort and its performance assessed by two indices of accuracy.<\/jats:italic><jats:italic>\u2022 The developed scoring system allows to predict the risk of BPD development early but also at any day of life with high validity.<\/jats:italic><\/jats:td><\/jats:tr><\/jats:tbody><\/jats:table><\/jats:table-wrap><\/jats:p>","DOI":"10.1007\/s00431-021-04045-8","type":"journal-article","created":{"date-parts":[[2021,4,6]],"date-time":"2021-04-06T07:02:31Z","timestamp":1617692551000},"page":"2453-2461","update-policy":"https:\/\/doi.org\/10.1007\/springer_crossmark_policy","source":"Crossref","is-referenced-by-count":15,"title":["Bronchopulmonary dysplasia: a predictive scoring system for very low birth weight infants. 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Participating centres were obliged to inform parents about the scientific use of anonymised data.Research was performed on anonymised data without patient identifiers.","order":2,"name":"Ethics","group":{"name":"EthicsHeading","label":"Ethics approval"}},{"value":"N\/A","order":3,"name":"Ethics","group":{"name":"EthicsHeading","label":"Consent to participate"}},{"value":"N\/A","order":4,"name":"Ethics","group":{"name":"EthicsHeading","label":"Consent for publication"}},{"value":"The authors declare that they have no competing interests.","order":5,"name":"Ethics","group":{"name":"EthicsHeading","label":"Conflicts of interest"}}]}}