{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,6,11]],"date-time":"2026-06-11T10:16:04Z","timestamp":1781172964841,"version":"3.54.1"},"reference-count":25,"publisher":"Elsevier BV","issue":"6","license":[{"start":{"date-parts":[[2004,6,1]],"date-time":"2004-06-01T00:00:00Z","timestamp":1086048000000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/www.elsevier.com\/tdm\/userlicense\/1.0\/"},{"start":{"date-parts":[[2004,6,1]],"date-time":"2004-06-01T00:00:00Z","timestamp":1086048000000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/www.elsevier.com\/legal\/tdmrep-license"}],"content-domain":{"domain":["annalsthoracicsurgery.org","clinicalkey.com","clinicalkey.com.au","clinicalkey.es","clinicalkey.fr","clinicalkey.jp","elsevier.com","sciencedirect.com"],"crossmark-restriction":true},"short-container-title":["The Annals of Thoracic Surgery"],"published-print":{"date-parts":[[2004,6]]},"DOI":"10.1016\/j.athoracsur.2003.12.035","type":"journal-article","created":{"date-parts":[[2004,5,31]],"date-time":"2004-05-31T11:09:05Z","timestamp":1086001745000},"page":"1966-1977","update-policy":"https:\/\/doi.org\/10.1016\/elsevier_cm_policy","source":"Crossref","is-referenced-by-count":162,"title":["Multivariable prediction of in-hospital mortality associated with aortic and mitral valve surgery in Northern New England"],"prefix":"10.1016","volume":"77","author":[{"given":"Edward R","family":"Nowicki","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Nancy J.O","family":"Birkmeyer","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Ronald W","family":"Weintraub","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Bruce J","family":"Leavitt","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"John H","family":"Sanders","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Lawrence J","family":"Dacey","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Robert A","family":"Clough","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Reed D","family":"Quinn","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"David C","family":"Charlesworth","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Donato A","family":"Sisto","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Paul N","family":"Uhlig","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Elaine M","family":"Olmstead","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Gerald T","family":"O'Connor","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"78","reference":[{"key":"10.1016\/j.athoracsur.2003.12.035_BIB1","doi-asserted-by":"crossref","first-page":"1478","DOI":"10.1016\/S0735-1097(96)00359-2","article-title":"Identification of preoperative variables needed for risk adjustment of short-term mortality after coronary artery bypass graft surgery. The Working Group Panel on the Cooperative CABG Database Project","volume":"28","author":"Jones","year":"1996","journal-title":"J Am Coll Cardiol"},{"issue":"6 Pt 2","key":"10.1016\/j.athoracsur.2003.12.035_BIB2","first-page":"I3","article-title":"A method of uniform stratification of risk for evaluating the results of surgery in acquired adult heart disease","volume":"79","author":"Parsonnet","year":"1989","journal-title":"Circulation"},{"key":"10.1016\/j.athoracsur.2003.12.035_BIB3","doi-asserted-by":"crossref","first-page":"12","DOI":"10.1016\/0003-4975(90)90073-F","article-title":"Initial report of the Veterans Administration Preoperative Risk Assessment Study for Cardiac Surgery","volume":"50","author":"Grover","year":"1990","journal-title":"Ann Thorac Surg"},{"key":"10.1016\/j.athoracsur.2003.12.035_BIB4","doi-asserted-by":"crossref","first-page":"2768","DOI":"10.1001\/jama.1990.03450210068035","article-title":"Adult open heart surgery in New York State. An analysis of risk factors and hospital mortality rates","volume":"264","author":"Hannan","year":"1990","journal-title":"JAMA"},{"issue":"3(Pt 2)","key":"10.1016\/j.athoracsur.2003.12.035_BIB5","first-page":"II120","article-title":"Morbidity, and mortality in mitral valve surgery","volume":"72","author":"Christakis","year":"1985","journal-title":"Circulation"},{"issue":"Pt 2","key":"10.1016\/j.athoracsur.2003.12.035_BIB6","first-page":"I25","article-title":"Predictors of operative survival after valve replacement","volume":"3","author":"Christakis","year":"1988","journal-title":"Circulation"},{"key":"10.1016\/j.athoracsur.2003.12.035_BIB7","doi-asserted-by":"crossref","first-page":"1140","DOI":"10.1016\/0003-4975(94)91344-7","article-title":"Aortic valve replacement","volume":"57","author":"He","year":"1994","journal-title":"Ann Thorac Surg"},{"issue":"6 Pt 2","key":"10.1016\/j.athoracsur.2003.12.035_BIB8","first-page":"I185","article-title":"Risk factors for mortality after primary combined valvular, and coronary artery surgery","volume":"79","author":"Kirklin","year":"1989","journal-title":"Circulation"},{"key":"10.1016\/j.athoracsur.2003.12.035_BIB9","doi-asserted-by":"crossref","first-page":"675","DOI":"10.1016\/S0022-5223(19)34513-1","article-title":"Primary isolated aortic valve replacement. Early and late results","volume":"97","author":"Lytle","year":"1989","journal-title":"J Thorac Cardiovasc Surg"},{"key":"10.1016\/j.athoracsur.2003.12.035_BIB10","doi-asserted-by":"crossref","first-page":"400","DOI":"10.1016\/S0022-5223(19)38789-6","article-title":"Determinants of operative mortality for patients undergoing aortic valve replacement. Discriminant analysis of 1,479 operations","volume":"89","author":"Scott","year":"1985","journal-title":"J Thorac Cardiovasc Surg"},{"key":"10.1016\/j.athoracsur.2003.12.035_BIB11","doi-asserted-by":"crossref","first-page":"432","DOI":"10.1016\/S0003-4975(00)01456-9","article-title":"Decreasing mortality for aortic, and mitral valve surgery in Northern New England. Northern New England Cardiovascular Disease Study Group","volume":"70","author":"Birkmeyer","year":"2000","journal-title":"Ann Thorac Surg"},{"key":"10.1016\/j.athoracsur.2003.12.035_BIB12","doi-asserted-by":"crossref","first-page":"1212","DOI":"10.1016\/S0003-4975(00)01968-8","article-title":"Predictors of mortality for patients undergoing cardiac valve replacements in New York State","volume":"70","author":"Hannan","year":"2000","journal-title":"Ann Thorac Surg"},{"key":"10.1016\/j.athoracsur.2003.12.035_BIB13","doi-asserted-by":"crossref","first-page":"51","DOI":"10.1016\/S0003-4975(99)00175-7","article-title":"Risk stratification for cardiac valve replacement. National Cardiac Surgery Database","volume":"67","author":"Jamieson","year":"1999","journal-title":"Ann Thorac Surg"},{"key":"10.1016\/j.athoracsur.2003.12.035_BIB14","first-page":"572","article-title":"Risk factors for early mortality after valve surgery in Europe in the 1990s","volume":"10","author":"Roques","year":"2001","journal-title":"J Heart Valve Dis"},{"key":"10.1016\/j.athoracsur.2003.12.035_BIB15","doi-asserted-by":"crossref","first-page":"361","DOI":"10.1002\/(SICI)1097-0258(19960229)15:4<361::AID-SIM168>3.0.CO;2-4","article-title":"Multivariable prognostic models. Issues in developing models, evaluating assumptions and adequacy, and measuring and reducing errors","volume":"15","author":"Harrell","year":"1996","journal-title":"Stat Med"},{"key":"10.1016\/j.athoracsur.2003.12.035_BIB16","series-title":"Kirklin\/Barratt-Boyes Cardiac Surgery","first-page":"254","article-title":"Generating knowledge from information, data, and analyses","author":"Blackstone","year":"2003"},{"key":"10.1016\/j.athoracsur.2003.12.035_BIB17","doi-asserted-by":"crossref","first-page":"123","DOI":"10.1023\/A:1018054314350","article-title":"Bagging predictors","volume":"24","author":"Breiman","year":"1996","journal-title":"Machine Learning"},{"key":"10.1016\/j.athoracsur.2003.12.035_BIB18","doi-asserted-by":"crossref","first-page":"430","DOI":"10.1067\/mtc.2001.117536","article-title":"Breaking down barriers. Helpful breakthrough statistical methods you need to understand better","volume":"122","author":"Blackstone","year":"2001","journal-title":"J Thorac Cardiovasc Surg"},{"key":"10.1016\/j.athoracsur.2003.12.035_BIB19","doi-asserted-by":"crossref","first-page":"1285","DOI":"10.1126\/science.3287615","article-title":"Measuring the accuracy of diagnostic systems","volume":"240","author":"Swets","year":"1988","journal-title":"Science"},{"key":"10.1016\/j.athoracsur.2003.12.035_BIB20","first-page":"54","article-title":"Bootstrap methods of standard efforts, confidence intervals, and other methods of statistical accuracy","volume":"1","author":"Efron","year":"1986","journal-title":"Statistical Science"},{"key":"10.1016\/j.athoracsur.2003.12.035_BIB21","series-title":"Applied logistic regression","year":"1989"},{"key":"10.1016\/j.athoracsur.2003.12.035_BIB22","doi-asserted-by":"crossref","first-page":"2110","DOI":"10.1161\/01.CIR.85.6.2110","article-title":"Multivariate prediction of in-hospital mortality associated with coronary artery bypass graft surgery. Northern New England Cardiovascular Disease Study Group","volume":"85","author":"O'Connor","year":"1992","journal-title":"Circulation"},{"issue":"Suppl 2","key":"10.1016\/j.athoracsur.2003.12.035_BIB23","first-page":"S132","article-title":"The relationship of left ventricular geometry, and hypertrophy to left ventricular function in valvular heart disease","volume":"4","author":"Carabello","year":"1995","journal-title":"J Heart Valve Dis"},{"key":"10.1016\/j.athoracsur.2003.12.035_BIB24","doi-asserted-by":"crossref","first-page":"32","DOI":"10.1056\/NEJM199707033370107","article-title":"Valvular heart disease","volume":"337","author":"Carabello","year":"1997","journal-title":"N Engl J Med"},{"key":"10.1016\/j.athoracsur.2003.12.035_BIB25","doi-asserted-by":"crossref","first-page":"470","DOI":"10.1161\/01.CIR.102.4.470","article-title":"Left ventricular hypertrophy, pathogenesis, detection, and prognosis","volume":"102","author":"Lorell","year":"2000","journal-title":"Circulation"}],"container-title":["The Annals of Thoracic Surgery"],"original-title":[],"language":"en","link":[{"URL":"https:\/\/api.elsevier.com\/content\/article\/PII:S0003497504001158?httpAccept=text\/xml","content-type":"text\/xml","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/api.elsevier.com\/content\/article\/PII:S0003497504001158?httpAccept=text\/plain","content-type":"text\/plain","content-version":"vor","intended-application":"text-mining"}],"deposited":{"date-parts":[[2025,9,13]],"date-time":"2025-09-13T00:27:32Z","timestamp":1757723252000},"score":1,"resource":{"primary":{"URL":"https:\/\/linkinghub.elsevier.com\/retrieve\/pii\/S0003497504001158"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2004,6]]},"references-count":25,"journal-issue":{"issue":"6","published-print":{"date-parts":[[2004,6]]}},"alternative-id":["S0003497504001158"],"URL":"https:\/\/doi.org\/10.1016\/j.athoracsur.2003.12.035","relation":{},"ISSN":["0003-4975"],"issn-type":[{"value":"0003-4975","type":"print"}],"subject":[],"published":{"date-parts":[[2004,6]]},"assertion":[{"value":"Elsevier","name":"publisher","label":"This article is maintained by"},{"value":"Multivariable prediction of in-hospital mortality associated with aortic and mitral valve surgery in Northern New England","name":"articletitle","label":"Article Title"},{"value":"The Annals of Thoracic Surgery","name":"journaltitle","label":"Journal Title"},{"value":"https:\/\/doi.org\/10.1016\/j.athoracsur.2003.12.035","name":"articlelink","label":"CrossRef DOI link to publisher maintained version"},{"value":"converted-article","name":"content_type","label":"Content Type"},{"value":"Copyright \u00a9 2004 The Society of Thoracic Surgeons. Published by Elsevier Inc. All rights reserved.","name":"copyright","label":"Copyright"}]}}