{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,2,7]],"date-time":"2026-02-07T02:46:09Z","timestamp":1770432369013,"version":"3.49.0"},"reference-count":56,"publisher":"Wiley","issue":"1","license":[{"start":{"date-parts":[[2006,1,10]],"date-time":"2006-01-10T00:00:00Z","timestamp":1136851200000},"content-version":"vor","delay-in-days":9,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Paediatric Perinatal Epid"],"published-print":{"date-parts":[[2006,1]]},"abstract":"<jats:title>Summary<\/jats:title><jats:p>Perinatal conditions account for 60% of US neonatal deaths, yet little is known about rates of morbidity attributable to these conditions. To estimate these rates, we analysed newborn hospital discharges from the National Hospital Discharge Survey. We used <jats:italic>International Classification of Diseases, 9th Revision, Clinical Modification<\/jats:italic> (ICD\u20109\u2010CM) codes to classify discharge diagnoses among a weighted, nationally representative sample of newborns discharged from short\u2010stay, non\u2010federal US hospitals. We compared overall and cause\u2010specific morbidity rates attributable to perinatal conditions (ICD\u20109\u2010CM 760.0\u2013779.9), as well as the average length of hospital stay among newborn discharges during 1989\u201390 and 1999\u20132000.<\/jats:p><jats:p>The overall newborn morbidity rate declined from 36.3% in 1989\u201390 to 33.7% in 1999\u20132000 (<jats:italic>P<\/jats:italic>\u2003&lt;\u20030.01), despite significant increases in high\u2010risk births. The decline can be attributed to significant decreases in the reported rates of jaundice, fetal distress, birth trauma and birth asphyxia. Rates of jaundice decreased from 15.7% to 13.4% (<jats:italic>P<\/jats:italic>\u2003&lt;\u20030.01). The average length of stay decreased among newborns with no morbid condition (2.37\u20132.04\u2003days, <jats:italic>P<\/jats:italic>\u2003&lt;\u20030.001) and among those with one perinatal condition (3.11\u20132.51, <jats:italic>P<\/jats:italic>\u2003&lt;\u20030.001), but increased among those with multiple perinatal conditions (8.43\u20139.98, <jats:italic>P<\/jats:italic>\u2003&lt;\u20030.05). Morbidity rates among newborns discharged from US hospitals declined. Shorter newborn hospital stays may have resulted in fewer cases of jaundice being diagnosed before discharge. Stricter diagnostic criteria and changes in obstetric practices may have led to a decline in the rates of fetal distress, birth trauma and birth asphyxia.<\/jats:p>","DOI":"10.1111\/j.1365-3016.2006.00690.x","type":"journal-article","created":{"date-parts":[[2006,1,10]],"date-time":"2006-01-10T10:51:28Z","timestamp":1136890288000},"page":"24-34","source":"Crossref","is-referenced-by-count":21,"title":["A comparison of morbidity rates attributable to conditions originating in the perinatal period among newborns discharged from United States hospitals, 1989\u201390 and 1999\u20132000"],"prefix":"10.1111","volume":"20","author":[{"given":"Kay M.","family":"Tomashek","sequence":"first","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Chadd J.","family":"Crouse","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Solomon","family":"Iyasu","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Christopher H.","family":"Johnson","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Lisa M.","family":"Flowers","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"311","published-online":{"date-parts":[[2006,1,10]]},"reference":[{"key":"e_1_2_6_2_2","first-page":"849","article-title":"Achievements in public health, 1990\u20131999. 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