{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,26]],"date-time":"2026-09-26T23:58:50Z","timestamp":1790467130491,"version":"4.1.0"},"reference-count":22,"publisher":"Springer Science and Business Media LLC","license":[{"start":{"date-parts":[[2026,9,26]],"date-time":"2026-09-26T00:00:00Z","timestamp":1790380800000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0"},{"start":{"date-parts":[[2026,9,26]],"date-time":"2026-09-26T00:00:00Z","timestamp":1790380800000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0"}],"funder":[{"DOI":"10.13039\/100001130","name":"Gerber Foundation","doi-asserted-by":"publisher","award":["7247"],"award-info":[{"award-number":["7247"]}],"id":[{"id":"10.13039\/100001130","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":["link.springer.com"],"crossmark-restriction":false},"short-container-title":["J Perinatol"],"abstract":"<jats:title>Abstract<\/jats:title>\n                  <jats:sec>\n                    <jats:title>Objective<\/jats:title>\n                    <jats:p>To assess whether subdividing small (SGA, &lt;10th), appropriate (AGA, 10th\u201390th), and large (LGA, &gt;90th percentile) for gestational age (GA) birthweight classifications improves mortality risk estimation among preterm infants in neonatal intensive care units (NICUs).<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Study Design<\/jats:title>\n                    <jats:p>Data from 25,779 singleton inborn NICU infants (24\u201330 weeks GA) from the Pediatrix Clinical Data Warehouse (2013\u20132018) were analyzed. Infant birthweights were subclassified into 12 subgroups (extremely SGA [eSGA], &lt;3rd; moderately SGA [mSGA], 3rd-&lt;10th, 8 AGA categories [3-AGA to 9-AGA]; mLGA, &gt;90th-97th; eLGA, &gt;97th percentile). Mortality probability by birthweight category was modeled using logistic regression.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Result<\/jats:title>\n                    <jats:p>Mortality probability was higher for infants classified as eSGA (28.9%, 95% CI [26.4\u201331.4%]) than mSGA (9.9% [8.7\u201311.3%]). Smaller AGA infants had higher mortality than larger AGA infants (e.g., 3-AGA: 8.5% [7.5\u20139.7%] vs. 9-AGA: 5.0% [4.2\u20135.9%]). Subdividing LGA provided no additional information.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Conclusion<\/jats:title>\n                    <jats:p>Subdivision of SGA and AGA birthweight categories may improve mortality risk prediction among premature infants.<\/jats:p>\n                  <\/jats:sec>","DOI":"10.1038\/s41372-026-02903-7","type":"journal-article","created":{"date-parts":[[2026,9,26]],"date-time":"2026-09-26T10:42:36Z","timestamp":1790419356000},"update-policy":"https:\/\/doi.org\/10.1007\/springer_crossmark_policy","source":"Crossref","is-referenced-by-count":0,"title":["Impact of SGA, AGA, and LGA birthweight subclassification on NICU mortality risk identification: a cohort study"],"prefix":"10.1038","author":[{"ORCID":"https:\/\/orcid.org\/0000-0003-0696-185X","authenticated-orcid":false,"given":"A. 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