{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,5,4]],"date-time":"2026-05-04T22:05:38Z","timestamp":1777932338134,"version":"3.51.4"},"reference-count":34,"publisher":"Elsevier BV","issue":"6","license":[{"start":{"date-parts":[[2021,12,1]],"date-time":"2021-12-01T00:00:00Z","timestamp":1638316800000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/www.elsevier.com\/tdm\/userlicense\/1.0\/"},{"start":{"date-parts":[[2021,12,1]],"date-time":"2021-12-01T00:00:00Z","timestamp":1638316800000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/www.elsevier.com\/legal\/tdmrep-license"},{"start":{"date-parts":[[2024,5,27]],"date-time":"2024-05-27T00:00:00Z","timestamp":1716768000000},"content-version":"vor","delay-in-days":908,"URL":"http:\/\/creativecommons.org\/licenses\/by-nc-nd\/4.0\/"}],"content-domain":{"domain":["jacepopen.com","elsevier.com","sciencedirect.com"],"crossmark-restriction":true},"short-container-title":["JACEP Open"],"published-print":{"date-parts":[[2021,12]]},"DOI":"10.1002\/emp2.12595","type":"journal-article","created":{"date-parts":[[2021,12,30]],"date-time":"2021-12-30T04:38:02Z","timestamp":1640839082000},"page":"e12595","update-policy":"https:\/\/doi.org\/10.1016\/elsevier_cm_policy","source":"Crossref","is-referenced-by-count":6,"title":["Predicting 30\u2010day return hospital admissions in patients with COVID\u201019 discharged from the emergency department: A national retrospective cohort study"],"prefix":"10.1016","volume":"2","author":[{"ORCID":"https:\/\/orcid.org\/0000-0001-9676-087X","authenticated-orcid":false,"given":"David G.","family":"Beiser","sequence":"first","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Zachary J.","family":"Jarou","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Alaa A.","family":"Kassir","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Michael A.","family":"Puskarich","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Marie C.","family":"Vrablik","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Elizabeth D.","family":"Rosenman","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Samuel A.","family":"McDonald","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Andrew C.","family":"Meltzer","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"D. Mark","family":"Courtney","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Christopher","family":"Kabrhel","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Jeffrey A.","family":"Kline","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"78","reference":[{"key":"10.1002\/emp2.12595_bb0010","series-title":"COVID Data Tracker","year":"2021"},{"issue":"4","key":"10.1002\/emp2.12595_bb0015","article-title":"Potential association between COVID\u201019 mortality and health\u2010care resource availability","volume":"8","author":"Ji","year":"2020","journal-title":"Lancet Glob Heal"},{"issue":"2","key":"10.1002\/emp2.12595_bb0020","doi-asserted-by":"crossref","first-page":"127","DOI":"10.12788\/jhm.3583","article-title":"Healthcare system stress due to COVID\u201019: evading an evolving crisis","volume":"16","author":"Karan","year":"2021","journal-title":"J Hosp Med"},{"issue":"5","key":"10.1002\/emp2.12595_bb0025","doi-asserted-by":"crossref","first-page":"406","DOI":"10.1136\/emermed-2021-211233","article-title":"Risk factors for deterioration in mild COVID\u201019 remain undefined","volume":"38","author":"Wood","year":"2021","journal-title":"Emerg Med J"},{"issue":"6","key":"10.1002\/emp2.12595_bb0030","doi-asserted-by":"crossref","first-page":"1341","DOI":"10.1002\/emp2.12313","article-title":"Multicenter registry of United States emergency department patients tested for SARS\u2010CoV\u20102","volume":"1","author":"Kline","year":"2020","journal-title":"J Am Coll Emerg Physicians Open"},{"issue":"3","key":"10.1002\/emp2.12595_bb0035","doi-asserted-by":"crossref","DOI":"10.1371\/journal.pone.0248438","article-title":"Clinical prediction rule for SARS\u2010CoV\u20102 infection from 116 U.S. emergency departments","volume":"16","author":"Kline","year":"2021","journal-title":"PLoS One"},{"issue":"1","key":"10.1002\/emp2.12595_bb0040","doi-asserted-by":"crossref","first-page":"W1","DOI":"10.7326\/M14-0698","article-title":"Transparent reporting of a multivariable prediction model for individual prognosis or diagnosis (TRIPOD): explanation and elaboration","volume":"162","author":"Moons","year":"2015","journal-title":"Ann Intern Med"},{"key":"10.1002\/emp2.12595_bb0045","unstructured":"https:\/\/isaric.net\/ccp\/"},{"key":"10.1002\/emp2.12595_bb0050","series-title":"RStudio Team: Integrated Development for R","year":"2020"},{"key":"10.1002\/emp2.12595_bb0055","series-title":"R: A Language and Environment for Statistical Computing","year":"2018"},{"issue":"43","key":"10.1002\/emp2.12595_bb0060","doi-asserted-by":"crossref","first-page":"1686","DOI":"10.21105\/joss.01686","article-title":"Welcome to the tidyverse","volume":"4","author":"Wickham","year":"2019","journal-title":"J Open Source Softw"},{"issue":"1","key":"10.1002\/emp2.12595_bb0065","doi-asserted-by":"crossref","first-page":"112","DOI":"10.1093\/bioinformatics\/btr597","article-title":"Missforest\u2010non\u2010parametric missing value imputation for mixed\u2010type data","volume":"28","author":"Stekhoven","year":"2012","journal-title":"Bioinformatics"},{"key":"10.1002\/emp2.12595_bb0070","doi-asserted-by":"crossref","unstructured":"Krasser R. explore: Simplifies Exploratory Data Analysis. 2020. https:\/\/cran.r\u2010project.org\/","DOI":"10.32614\/CRAN.package.explore"},{"key":"10.1002\/emp2.12595_bb0075","series-title":"Arsenal: An Arsenal of \u201cR\u201d Functions for Large\u2010Scale Statistical Summaries","author":"Heinzen","year":"2020"},{"issue":"9","key":"10.1002\/emp2.12595_bb0080","doi-asserted-by":"crossref","first-page":"4240","DOI":"10.1016\/j.csda.2006.05.006","article-title":"Improving the robustness of fractional polynomial models by preliminary covariate transformation: a pragmatic approach","volume":"51","author":"Royston","year":"2007","journal-title":"Comput Stat Data Anal"},{"issue":"8","key":"10.1002\/emp2.12595_bb0085","doi-asserted-by":"crossref","first-page":"1","DOI":"10.18637\/jss.v061.i08","article-title":"Optimalcutpoints: an R package for selecting optimal cutpoints in diagnostic tests","volume":"61","author":"L\u00f3pez\u2010Rat\u00f3n","year":"2014","journal-title":"J Stat Softw"},{"key":"10.1002\/emp2.12595_bb0090","unstructured":"Greenwell B, Boehmke B, Cunningham J. gbm: Generalized Boosted Regression Models. 2020. https:\/\/cran.r-project.org\/"},{"issue":"1","key":"10.1002\/emp2.12595_bb0095","doi-asserted-by":"crossref","first-page":"1","DOI":"10.18637\/jss.v077.i01","article-title":"Ranger: a fast implementation of random forests for high dimensional data in C++ and R","volume":"77","author":"Wright","year":"2017","journal-title":"J Stat Softw"},{"issue":"3","key":"10.1002\/emp2.12595_bb0100","doi-asserted-by":"crossref","first-page":"525","DOI":"10.1080\/10618600.2016.1211532","article-title":"One\u2010step estimator paths for concave regularization","volume":"26","author":"Taddy","year":"2017","journal-title":"J Comput Graph Stat"},{"key":"10.1002\/emp2.12595_bb0105","unstructured":"Therneau T, Atkinson B. rpart: Recursive Partitioning and Regression Trees. 2019. https:\/\/cran.r-project.org\/"},{"key":"10.1002\/emp2.12595_bb0110","unstructured":"Kuhn M. caret: Classification and Regression Training. 2020. https:\/\/cran.r-project.org\/"},{"issue":"1","key":"10.1002\/emp2.12595_bb0115","doi-asserted-by":"crossref","first-page":"343","DOI":"10.32614\/RJ-2020-013","article-title":"Variable importance plots\u2014An introduction to the vip package","volume":"12","author":"Greenwell","year":"2020","journal-title":"R J"},{"issue":"1","key":"10.1002\/emp2.12595_bb0120","doi-asserted-by":"crossref","first-page":"128","DOI":"10.1097\/EDE.0b013e3181c30fb2","article-title":"Assessing the performance of prediction models: a framework for some traditional and novel measures","volume":"21","author":"Steyerberg","year":"2010","journal-title":"Epidemiology"},{"key":"10.1002\/emp2.12595_bb0125","article-title":"Prediction models for diagnosis and prognosis of covid\u201019: systematic review and critical appraisal","volume":"369","author":"Wynants","year":"2020","journal-title":"BMJ"},{"key":"10.1002\/emp2.12595_bb0130","doi-asserted-by":"crossref","first-page":"489","DOI":"10.1016\/j.ajem.2020.10.068","article-title":"Identifying patients with symptoms suspicious for COVID\u201019 at elevated risk of adverse events: the COVAS score","volume":"46","author":"Sharp","year":"2020","journal-title":"Am J Emerg Med"},{"issue":"3","key":"10.1002\/emp2.12595_bb0135","first-page":"1","article-title":"Readmissions among patients with COVID\u201019","volume":"75","author":"Atalla","year":"2020","journal-title":"Int J Clin Pract"},{"issue":"3","key":"10.1002\/emp2.12595_bb0140","first-page":"2020","article-title":"Readmission and death after initial hospital discharge among patients with COVID\u201019 in a large multihospital system","volume":"325","author":"Donnelly","year":"2020","journal-title":"JAMA"},{"key":"10.1002\/emp2.12595_bb0145","doi-asserted-by":"crossref","first-page":"239","DOI":"10.1016\/j.ajem.2021.04.050","article-title":"Emergency department bounceback characteristics for patients diagnosed with COVID\u201019","volume":"47","author":"Haag","year":"2021","journal-title":"Am J Emerg Med"},{"issue":"4","key":"10.1002\/emp2.12595_bb0150","doi-asserted-by":"crossref","first-page":"1","DOI":"10.1001\/jamanetworkopen.2021.3990","article-title":"Mortality and readmission rates among patients with COVID\u201019 after discharge from acute care setting with supplemental oxygen","volume":"4","author":"Banerjee","year":"2021","journal-title":"JAMA Netw Open"},{"issue":"10","key":"10.1002\/emp2.12595_bb0155","doi-asserted-by":"crossref","first-page":"1039","DOI":"10.1111\/acem.14117","article-title":"Return hospital admissions among 1419 COVID\u201019 patients discharged from five U.S. emergency departments","volume":"27","author":"Kilaru","year":"2020","journal-title":"Acad Emerg Med"},{"issue":"1","key":"10.1002\/emp2.12595_bb0160","doi-asserted-by":"crossref","first-page":"1","DOI":"10.1186\/s13054-019-2351-7","article-title":"Emergency department triage prediction of clinical outcomes using machine learning models","volume":"23","author":"Raita","year":"2019","journal-title":"Crit Care"},{"issue":"3","key":"10.1002\/emp2.12595_bb0165","doi-asserted-by":"crossref","first-page":"346","DOI":"10.1093\/jamiaopen\/ooz019","article-title":"Predicting 72\u2010hour and 9\u2010day return to the emergency department using machine learning","volume":"2","author":"Hong","year":"2019","journal-title":"JAMIA Open"},{"key":"10.1002\/emp2.12595_bb0170","series-title":"The Elements of Statistical Learning","author":"Hastie","year":"2001"},{"issue":"8","key":"10.1002\/emp2.12595_bb0175","doi-asserted-by":"crossref","first-page":"1190","DOI":"10.1093\/jamia\/ocaa125","article-title":"Characterizing outpatient problem list completeness and duplications in the electronic health record","volume":"27","author":"Wang","year":"2020","journal-title":"J Am Med Inform Assoc"}],"container-title":["JACEP Open"],"original-title":[],"language":"en","link":[{"URL":"https:\/\/onlinelibrary.wiley.com\/doi\/pdf\/10.1002\/emp2.12595","content-type":"application\/pdf","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/onlinelibrary.wiley.com\/doi\/full-xml\/10.1002\/emp2.12595","content-type":"application\/xml","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/api.elsevier.com\/content\/article\/PII:S268811522401018X?httpAccept=text\/xml","content-type":"text\/xml","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/api.elsevier.com\/content\/article\/PII:S268811522401018X?httpAccept=text\/plain","content-type":"text\/plain","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/onlinelibrary.wiley.com\/doi\/pdf\/10.1002\/emp2.12595","content-type":"unspecified","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2025,2,8]],"date-time":"2025-02-08T05:59:13Z","timestamp":1738994353000},"score":1,"resource":{"primary":{"URL":"https:\/\/linkinghub.elsevier.com\/retrieve\/pii\/S268811522401018X"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2021,12]]},"references-count":34,"journal-issue":{"issue":"6","published-print":{"date-parts":[[2021,12]]}},"alternative-id":["S268811522401018X"],"URL":"https:\/\/doi.org\/10.1002\/emp2.12595","relation":{},"ISSN":["2688-1152"],"issn-type":[{"value":"2688-1152","type":"print"}],"subject":[],"published":{"date-parts":[[2021,12]]},"assertion":[{"value":"Elsevier","name":"publisher","label":"This article is maintained by"},{"value":"Predicting 30\u2010day return hospital admissions in patients with COVID\u201019 discharged from the emergency department: A national retrospective cohort study","name":"articletitle","label":"Article Title"},{"value":"JACEP Open","name":"journaltitle","label":"Journal Title"},{"value":"https:\/\/doi.org\/10.1002\/emp2.12595","name":"articlelink","label":"CrossRef DOI link to publisher maintained version"},{"value":"article","name":"content_type","label":"Content Type"},{"value":"Copyright \u00a9 2021 THE AUTHORS. Published by Elsevier Inc.","name":"copyright","label":"Copyright"}],"article-number":"e12595"}}