{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,8,20]],"date-time":"2026-08-20T17:30:57Z","timestamp":1787247057841,"version":"build-2736575974"},"reference-count":51,"publisher":"Wiley","issue":"9","license":[{"start":{"date-parts":[[2026,5,4]],"date-time":"2026-05-04T00:00:00Z","timestamp":1777852800000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"},{"start":{"date-parts":[[2026,5,4]],"date-time":"2026-05-04T00:00:00Z","timestamp":1777852800000},"content-version":"tdm","delay-in-days":0,"URL":"http:\/\/doi.wiley.com\/10.1002\/tdm_license_1.1"}],"funder":[{"DOI":"10.13039\/501100005416","name":"Norges Forskningsr\u00e5d","doi-asserted-by":"publisher","award":["33405"],"award-info":[{"award-number":["33405"]}],"id":[{"id":"10.13039\/501100005416","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/100000002","name":"National Institutes of Health","doi-asserted-by":"publisher","award":["EY034969"],"award-info":[{"award-number":["EY034969"]}],"id":[{"id":"10.13039\/100000002","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Acta Paediatrica"],"published-print":{"date-parts":[[2026,9]]},"abstract":"<jats:title>ABSTRACT<\/jats:title>\n                  <jats:sec>\n                    <jats:title>Aim<\/jats:title>\n                    <jats:p>To evaluate whether Retinopathy of Prematurity (ROP) research cohorts should be defined exclusively by gestational age (GA) thresholds rather than the current standard of combining GA with birth weight (BW).<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Methods<\/jats:title>\n                    <jats:p>Literature search of publications between 1971 and 2024, and data extraction using predefined search terms and inclusion criteria.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Results<\/jats:title>\n                    <jats:p>ROP prevalence changes notably at around 28\u2009weeks GA, decreasing appreciably at older gestational ages. Including BW alongside GA (as is done in some ROP screening guidelines) affects the variability of ROP prevalence data and may obscure the true population\u2010level association between GA and ROP severity.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Conclusion<\/jats:title>\n                    <jats:p>Clinical study populations for ROP research should be defined by GA thresholds only, without additional BW inclusion criteria.<\/jats:p>\n                  <\/jats:sec>","DOI":"10.1111\/apa.70570","type":"journal-article","created":{"date-parts":[[2026,5,4]],"date-time":"2026-05-04T14:50:09Z","timestamp":1777906209000},"page":"1833-1846","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":4,"title":["Gestational Age\u2010Specific Prevalence of Retinopathy of Prematurity in Very Preterm Infants: An Exploratory Meta\u2010Analysis"],"prefix":"10.1111","volume":"115","author":[{"ORCID":"https:\/\/orcid.org\/0000-0003-0513-3315","authenticated-orcid":false,"given":"Paige","family":"Scudder","sequence":"first","affiliation":[{"name":"Hirsh Health Sciences Library Tufts University School of Medicine  Boston Massachusetts USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0009-0004-0176-4798","authenticated-orcid":false,"given":"Shiyu","family":"Zhang","sequence":"additional","affiliation":[{"name":"Department of Public Health &amp; Community Medicine Tufts University School of Medicine  Boston Massachusetts USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-5876-284X","authenticated-orcid":false,"given":"Tora Sund","family":"Morken","sequence":"additional","affiliation":[{"name":"Department of Neuromedicine and Movement Science Norwegian University of Science and Technology (NTNU)  Trondheim Norway"},{"name":"Department of Ophthalmology St. Olavs Hospital, Trondheim University Hospital  Trondheim Norway"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-0854-1288","authenticated-orcid":false,"given":"Christiane E. 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