{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,11,11]],"date-time":"2025-11-11T13:48:40Z","timestamp":1762868920771,"version":"3.37.3"},"reference-count":24,"publisher":"Springer Science and Business Media LLC","issue":"12","license":[{"start":{"date-parts":[[2022,9,14]],"date-time":"2022-09-14T00:00:00Z","timestamp":1663113600000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/www.springer.com\/tdm"},{"start":{"date-parts":[[2022,9,14]],"date-time":"2022-09-14T00:00:00Z","timestamp":1663113600000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/www.springer.com\/tdm"}],"funder":[{"DOI":"10.13039\/100009633","name":"U.S. Department of Health & Human Services | NIH | Eunice Kennedy Shriver National Institute of Child Health and Human Development","doi-asserted-by":"publisher","award":["R01HD098287"],"award-info":[{"award-number":["R01HD098287"]}],"id":[{"id":"10.13039\/100009633","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":["link.springer.com"],"crossmark-restriction":false},"short-container-title":["J Perinatol"],"published-print":{"date-parts":[[2022,12]]},"DOI":"10.1038\/s41372-022-01505-3","type":"journal-article","created":{"date-parts":[[2022,9,14]],"date-time":"2022-09-14T13:07:59Z","timestamp":1663160879000},"page":"1686-1694","update-policy":"https:\/\/doi.org\/10.1007\/springer_crossmark_policy","source":"Crossref","is-referenced-by-count":1,"title":["Hospital variation in extremely preterm birth"],"prefix":"10.1038","volume":"42","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-0347-7379","authenticated-orcid":false,"given":"Gregory P.","family":"Goldstein","sequence":"first","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Peiyi","family":"Kan","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-4353-3507","authenticated-orcid":false,"given":"Ciaran S.","family":"Phibbs","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Elliott","family":"Main","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Gary M.","family":"Shaw","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-8383-1720","authenticated-orcid":false,"given":"Henry C.","family":"Lee","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"297","published-online":{"date-parts":[[2022,9,14]]},"reference":[{"key":"1505_CR1","doi-asserted-by":"publisher","first-page":"855","DOI":"10.1542\/peds.2012-2471","volume":"131","author":"C Lau","year":"2013","unstructured":"Lau C, Ambalavanan N, Chakraborty H, Wingate MS, Carlo WA. Extremely low birth weight and infant mortality rates in the United States. Pediatrics. 2013;131:855\u201360.","journal-title":"Pediatrics"},{"key":"1505_CR2","doi-asserted-by":"publisher","first-page":"548","DOI":"10.1542\/peds.2012-3769","volume":"131","author":"BE Hamilton","year":"2013","unstructured":"Hamilton BE, Hoyert DL, Martin JA, Strobino DM, Guyer B. Annual summary of vital statistics: 2010-2011. Pediatrics. 2013;131:548\u201358.","journal-title":"Pediatrics"},{"key":"1505_CR3","doi-asserted-by":"publisher","first-page":"1039","DOI":"10.1001\/jama.2015.10244","volume":"314","author":"BJ Stoll","year":"2015","unstructured":"Stoll BJ, Hansen NI, Bell EF, Walsh MC, Carlo WA, Shankaran S, et al. Trends in care practices, morbidity, and mortality of extremely preterm neonates, 1993-2012. JAMA. 2015;314:1039\u201351.","journal-title":"JAMA"},{"key":"1505_CR4","doi-asserted-by":"publisher","first-page":"155","DOI":"10.1001\/archpedi.155.2.155","volume":"155","author":"HG Taylor","year":"2001","unstructured":"Taylor HG, Klein N, Minich NM, Hack M. Long-term family outcomes for children with very low birth weights. Arch Pediatr Adolesc Med. 2001;155:155\u201361.","journal-title":"Arch Pediatr Adolesc Med"},{"key":"1505_CR5","doi-asserted-by":"publisher","first-page":"38","DOI":"10.1186\/s12955-017-0602-3","volume":"15","author":"A Lakshmanan","year":"2017","unstructured":"Lakshmanan A, Agni M, Lieu T, Fleegler E, Kipke M, Friedlich PS, et al. The impact of preterm birth <37 weeks on parents and families: a cross-sectional study in the 2 years after discharge from the neonatal intensive care unit. Health Qual Life Outcomes. 2017;15:38.","journal-title":"Health Qual Life Outcomes"},{"key":"1505_CR6","doi-asserted-by":"publisher","unstructured":"Grosse SD, Waitzman NJ, Yang N, Abe K, Barfield WD. Employer-sponsored plan expenditures for infants born preterm. Pediatrics. 2017; 140. https:\/\/doi.org\/10.1542\/peds.2017-1078.","DOI":"10.1542\/peds.2017-1078"},{"key":"1505_CR7","first-page":"1091","volume":"40","author":"AL Beam","year":"2020","unstructured":"Beam AL, Fried I, Palmer N, Agniel D, Brat G, Fox K, et al. Estimates of healthcare spending for preterm and low-birthweight infants in a commercially insured population: 2008-2016. J Perinatol J Calif Perinat Assoc. 2020;40:1091\u20139.","journal-title":"J Perinatol J Calif Perinat Assoc"},{"key":"1505_CR8","doi-asserted-by":"publisher","first-page":"617","DOI":"10.1016\/j.pcl.2009.04.006","volume":"56","author":"ST Holmstrom","year":"2009","unstructured":"Holmstrom ST, Phibbs CS. Regionalization and mortality in neonatal intensive care. Pediatr Clin North Am. 2009;56:617\u201330.","journal-title":"Pediatr Clin North Am"},{"key":"1505_CR9","doi-asserted-by":"publisher","first-page":"1349","DOI":"10.1080\/08035250600615135","volume":"95","author":"MT Neto","year":"2006","unstructured":"Neto MT. Perinatal care in Portugal: effects of 15 years of a regionalized system. Acta Paediatr. 2006;95:1349\u201352.","journal-title":"Acta Paediatr"},{"key":"1505_CR10","doi-asserted-by":"publisher","first-page":"e257","DOI":"10.1542\/peds.2006-1964","volume":"119","author":"L Rautava","year":"2007","unstructured":"Rautava L, Lehtonen L, Peltola M, Korvenranta E, Korvenranta H, Linna M, et al. The effect of birth in secondary- or tertiary-level hospitals in Finland on mortality in very preterm infants: a birth-register study. Pediatrics. 2007;119:e257\u2013263.","journal-title":"Pediatrics"},{"key":"1505_CR11","doi-asserted-by":"publisher","first-page":"e151906","DOI":"10.1001\/jamapediatrics.2015.1906","volume":"169","author":"EA Jensen","year":"2015","unstructured":"Jensen EA, Lorch SA. Effects of a birth hospital\u2019s neonatal intensive care unit level and annual volume of very low-birth-weight infant deliveries on morbidity and mortality. JAMA Pediatr. 2015;169:e151906.","journal-title":"JAMA Pediatr"},{"key":"1505_CR12","doi-asserted-by":"publisher","first-page":"2165","DOI":"10.1056\/NEJMsa065029","volume":"356","author":"CS Phibbs","year":"2007","unstructured":"Phibbs CS, Baker LC, Caughey AB, Danielsen B, Schmitt SK, Phibbs RH. Level and volume of neonatal intensive care and mortality in very-low-birth-weight infants. N. Engl J Med. 2007;356:2165\u201375.","journal-title":"N. Engl J Med"},{"key":"1505_CR13","doi-asserted-by":"publisher","first-page":"358","DOI":"10.1001\/jamapediatrics.2019.6055","volume":"174","author":"KP Shah","year":"2020","unstructured":"Shah KP, deRegnier R-AO, Grobman WA, Bennett AC. Neonatal mortality after interhospital transfer of pregnant women for imminent very preterm birth in Illinois. JAMA Pediatr. 2020;174:358\u201365.","journal-title":"JAMA Pediatr"},{"key":"1505_CR14","doi-asserted-by":"publisher","first-page":"385","DOI":"10.1038\/s41372-019-0447-1","volume":"40","author":"S Redpath","year":"2020","unstructured":"Redpath S, Shah PS, Moore GP, Yang J, Toye J, Perreault T, et al. Do transport factors increase the risk of severe brain injury in outborn infants <33 weeks gestational age? J Perinatol. 2020;40:385\u201393.","journal-title":"J Perinatol"},{"key":"1505_CR15","doi-asserted-by":"publisher","first-page":"329","DOI":"10.1001\/jamapediatrics.2019.6059","volume":"174","author":"M Whitham","year":"2020","unstructured":"Whitham M, Dudley DJ. Delivering neonates at high risk in the right place: back to the future again. JAMA Pediatr. 2020;174:329\u201330.","journal-title":"JAMA Pediatr"},{"key":"1505_CR16","doi-asserted-by":"publisher","first-page":"48","DOI":"10.1016\/j.ejogrb.2016.08.012","volume":"205","author":"LM Bullens","year":"2016","unstructured":"Bullens LM, Moors S, van Runnard Heimel PJ, van der Hout-van der Jagt MB, Oei SG. Practice variation in the management of intrapartum fetal distress in The Netherlands and the Western world. Eur J Obstet Gynecol Reprod Biol. 2016;205:48\u201353.","journal-title":"Eur J Obstet Gynecol Reprod Biol"},{"key":"1505_CR17","doi-asserted-by":"publisher","first-page":"350","DOI":"10.1111\/ajo.12351","volume":"55","author":"M Bannister-Tyrrell","year":"2015","unstructured":"Bannister-Tyrrell M, Patterson JA, Ford JB, Morris JM, Nicholl MC, Roberts CL. Variation in hospital caesarean section rates for preterm births. Aust NZ J Obstet Gynaecol. 2015;55:350\u20136.","journal-title":"Aust NZ J Obstet Gynaecol"},{"key":"1505_CR18","doi-asserted-by":"publisher","first-page":"290","DOI":"10.1006\/cbmr.1997.1448","volume":"30","author":"B Herrchen","year":"1997","unstructured":"Herrchen B, Gould JB, Nesbitt TS. Vital statistics linked birth\/infant death and hospital discharge record linkage for epidemiological studies. Comput Biomed Res Int J. 1997;30:290\u2013305.","journal-title":"Comput Biomed Res Int J"},{"key":"1505_CR19","unstructured":"How does CDC identify severe maternal morbidity? | CDC. 2021. https:\/\/www.cdc.gov\/reproductivehealth\/maternalinfanthealth\/smm\/severe-morbidity-ICD.htm."},{"key":"1505_CR20","unstructured":"Regional Perinatal Programs of California. https:\/\/www.cdph.ca.gov\/Programs\/CFH\/DMCAH\/RPPC\/Pages\/Default.aspx."},{"key":"1505_CR21","doi-asserted-by":"publisher","first-page":"587","DOI":"10.1542\/peds.2012-1999","volume":"130","author":"American Academy of Pediatrics Committee on Fetus and Newborn.","year":"2012","unstructured":"American Academy of Pediatrics Committee on Fetus and Newborn. Levels of neonatal care. Pediatrics. 2012;130:587\u201397.","journal-title":"Pediatrics"},{"key":"1505_CR22","doi-asserted-by":"crossref","first-page":"1341","DOI":"10.1542\/peds.2004-1697","volume":"114","author":"AR Stark","year":"2004","unstructured":"Stark AR. American Academy of Pediatrics Committee on Fetus and Newborn. Levels of neonatal care. Pediatrics. 2004;114:1341\u20137.","journal-title":"Pediatrics"},{"key":"1505_CR23","doi-asserted-by":"publisher","first-page":"290","DOI":"10.1136\/jech.2004.029454","volume":"60","author":"J Merlo","year":"2006","unstructured":"Merlo J, Chaix B, Ohlsson H, Beckman A, Johnell K, Hjerpe P, et al. A brief conceptual tutorial of multilevel analysis in social epidemiology: using measures of clustering in multilevel logistic regression to investigate contextual phenomena. J Epidemiol Community Health. 2006;60:290\u20137.","journal-title":"J Epidemiol Community Health"},{"key":"1505_CR24","doi-asserted-by":"publisher","first-page":"487","DOI":"10.1542\/peds.2010-1064","volume":"127","author":"S Binder","year":"2011","unstructured":"Binder S, Hill K, Meinzen-Derr J, Greenberg JM, Narendran V. Increasing VLBW deliveries at subspecialty perinatal centers via perinatal outreach. Pediatrics. 2011;127:487\u201393.","journal-title":"Pediatrics"}],"container-title":["Journal of Perinatology"],"original-title":[],"language":"en","link":[{"URL":"https:\/\/www.nature.com\/articles\/s41372-022-01505-3.pdf","content-type":"application\/pdf","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/www.nature.com\/articles\/s41372-022-01505-3","content-type":"text\/html","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/www.nature.com\/articles\/s41372-022-01505-3.pdf","content-type":"application\/pdf","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2022,11,30]],"date-time":"2022-11-30T08:17:29Z","timestamp":1669796249000},"score":1,"resource":{"primary":{"URL":"https:\/\/www.nature.com\/articles\/s41372-022-01505-3"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2022,9,14]]},"references-count":24,"journal-issue":{"issue":"12","published-print":{"date-parts":[[2022,12]]}},"alternative-id":["1505"],"URL":"https:\/\/doi.org\/10.1038\/s41372-022-01505-3","relation":{},"ISSN":["0743-8346","1476-5543"],"issn-type":[{"type":"print","value":"0743-8346"},{"type":"electronic","value":"1476-5543"}],"subject":[],"published":{"date-parts":[[2022,9,14]]},"assertion":[{"value":"7 September 2021","order":1,"name":"received","label":"Received","group":{"name":"ArticleHistory","label":"Article History"}},{"value":"19 August 2022","order":2,"name":"revised","label":"Revised","group":{"name":"ArticleHistory","label":"Article History"}},{"value":"30 August 2022","order":3,"name":"accepted","label":"Accepted","group":{"name":"ArticleHistory","label":"Article History"}},{"value":"14 September 2022","order":4,"name":"first_online","label":"First Online","group":{"name":"ArticleHistory","label":"Article History"}},{"value":"The authors declare no competing interests.","order":1,"name":"Ethics","group":{"name":"EthicsHeading","label":"Competing interests"}}]}}