{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,30]],"date-time":"2026-09-30T13:53:58Z","timestamp":1790776438043,"version":"4.1.0"},"update-to":[{"DOI":"10.12688\/wellcomeopenres.17403.1","type":"new_version","label":"New version","source":"publisher","updated":{"date-parts":[[2023,1,10]],"date-time":"2023-01-10T00:00:00Z","timestamp":1673308800000}},{"DOI":"10.12688\/wellcomeopenres.17403.2","type":"new_version","label":"New version","source":"publisher","updated":{"date-parts":[[2023,1,10]],"date-time":"2023-01-10T00:00:00Z","timestamp":1673308800000}}],"reference-count":28,"publisher":"F1000 Research Ltd","license":[{"start":{"date-parts":[[2023,1,10]],"date-time":"2023-01-10T00:00:00Z","timestamp":1673308800000},"content-version":"tdm","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"DOI":"10.13039\/100010269","name":"Wellcome Trust","doi-asserted-by":"crossref","award":["214588"],"award-info":[{"award-number":["214588"]}],"id":[{"id":"10.13039\/100010269","id-type":"DOI","asserted-by":"crossref"}]}],"content-domain":{"domain":["wellcomeopenresearch.org"],"crossmark-restriction":false},"short-container-title":["Wellcome Open Res"],"abstract":"<ns3:p>\n                    <ns3:bold>Background<\/ns3:bold>\n                    : Characterization studies of COVID-19 patients with chronic obstructive pulmonary disease (COPD) are limited in size and scope. The aim of the study is to provide a large-scale characterization of COVID-19 patients with COPD.\n                  <\/ns3:p>\n                  <ns3:p>\n                    <ns3:bold>Methods<\/ns3:bold>\n                    : We included thirteen databases contributing data from January-June 2020 from North America (US), Europe and Asia. We defined two cohorts of patients with COVID-19 namely a \u2018diagnosed\u2019 and \u2018hospitalized\u2019 cohort. We followed patients from COVID-19 index date to 30 days or death. We performed descriptive analysis and reported the frequency of characteristics and outcomes among COPD patients with COVID-19.\n                  <\/ns3:p>\n                  <ns3:p>\n                    <ns3:bold>Results<\/ns3:bold>\n                    : The study included 934,778 patients in the diagnosed COVID-19 cohort and 177,201 in the hospitalized COVID-19 cohort. Observed COPD prevalence in the diagnosed cohort ranged from 3.8% (95%CI 3.5-4.1%) in French data to 22.7% (95%CI 22.4-23.0) in US data, and from 1.9% (95%CI 1.6-2.2) in South Korean to 44.0% (95%CI 43.1-45.0) in US data, in the hospitalized cohorts. COPD patients in the hospitalized cohort had greater comorbidity than those in the diagnosed cohort, including hypertension, heart disease, diabetes and obesity. Mortality was higher in COPD patients in the hospitalized cohort and ranged from 7.6% (95%CI 6.9-8.4) to 32.2% (95%CI 28.0-36.7) across databases. ARDS, acute renal failure, cardiac arrhythmia and sepsis were the most common outcomes among hospitalized COPD patients. \u00a0\n                  <\/ns3:p>\n                  <ns3:p>\n                    <ns3:bold>Conclusion<\/ns3:bold>\n                    : COPD patients with COVID-19 have high levels of COVID-19-associated comorbidities and poor COVID-19 outcomes. Further research is required to identify patients with COPD at high risk of worse outcomes.\n                  <\/ns3:p>","DOI":"10.12688\/wellcomeopenres.17403.3","type":"journal-article","created":{"date-parts":[[2023,1,10]],"date-time":"2023-01-10T16:20:09Z","timestamp":1673367609000},"page":"22","update-policy":"https:\/\/doi.org\/10.12688\/wellcomeopenres.crossmark-policy","source":"Crossref","is-referenced-by-count":3,"title":["Characteristics and outcomes of COVID-19 patients with COPD from the United States, South Korea, and Europe"],"prefix":"10.12688","volume":"7","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-8652-6235","authenticated-orcid":false,"given":"David","family":"Moreno-Martos","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Katia","family":"Verhamme","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-0847-6682","authenticated-orcid":false,"given":"Anna","family":"Ostropolets","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Kristin","family":"Kostka","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Talita","family":"Duarte-Sales","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Daniel","family":"Prieto-Alhambra","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Thamir 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The 2020 GOLD Science Committee Report on COVID-19 and Chronic Obstructive Pulmonary Disease.","volume":"203","author":"D Halpin","year":"2021","journal-title":"Am J Respir Crit Care Med."},{"key":"ref-28","article-title":"DavidMorenoMartos\/Covid19CharacterizationCharybdis: v1.4.3 (v1.4.3).","author":"A Sena","year":"2021","journal-title":"Zenodo."}],"container-title":["Wellcome Open Research"],"original-title":[],"language":"en","link":[{"URL":"https:\/\/wellcomeopenresearch.org\/articles\/7-22\/v3\/xml","content-type":"application\/xml","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/wellcomeopenresearch.org\/articles\/7-22\/v3\/pdf","content-type":"application\/pdf","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/wellcomeopenresearch.org\/articles\/7-22\/v3\/iparadigms","content-type":"unspecified","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2023,1,13]],"date-time":"2023-01-13T12:40:53Z","timestamp":1673613653000},"score":1,"resource":{"primary":{"URL":"https:\/\/wellcomeopenresearch.org\/articles\/7-22\/v3"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2023,1,10]]},"references-count":28,"URL":"https:\/\/doi.org\/10.12688\/wellcomeopenres.17403.3","relation":{"has-review":[{"id-type":"doi","id":"10.21956\/wellcomeopenres.20813.r54044","asserted-by":"subject"},{"id-type":"doi","id":"10.21956\/wellcomeopenres.20813.r54044","asserted-by":"object"}]},"ISSN":["2398-502X"],"issn-type":[{"value":"2398-502X","type":"electronic"}],"subject":[],"published":{"date-parts":[[2023,1,10]]},"assertion":[{"value":"Indexed","URL":"https:\/\/wellcomeopenresearch.org\/articles\/7-22\/v3#article-reports","order":0,"name":"referee-status","label":"Referee status","group":{"name":"current-referee-status","label":"Current Referee Status"}},{"value":"10.21956\/wellcomeopenres.19703.r49458, Marta A. Kisiel, Department of Medical Sciences, Environmental and Occupational Medicine, Uppsala University, Uppsala, Sweden, 31 Mar 2022, version 2, 1 approved, 1 approved with reservations","URL":"https:\/\/wellcomeopenresearch.org\/articles\/7-22\/v2#referee-response-49458","order":0,"name":"referee-response-49458","label":"Referee Report","group":{"name":"article-reports","label":"Article Reports"}},{"value":"10.21956\/wellcomeopenres.20813.r54044, Laurie Tomlinson, Department of Non-Communicable Disease Epidemiology, London School of Hygiene & Tropical Medicine, London, UK, 13 Jan 2023, version 3, indexed","URL":"https:\/\/wellcomeopenresearch.org\/articles\/7-22\/v3#referee-response-54044","order":1,"name":"referee-response-54044","label":"Referee Report","group":{"name":"article-reports","label":"Article Reports"}},{"value":"The European Health Data & Evidence Network has received funding from the Innovative Medicines Initiative 2 Joint Undertaking (JU) under grant agreement No 806968. The JU receives support from the European Union\u2019s Horizon 2020 research and innovation programme and EFPIA; This research received partial support from the National Institute for Health Research (NIHR) Oxford Biomedical Research Centre (BRC), US National Institutes of Health, US Department of Veterans Affairs, Janssen Research & Development, and IQVIA; The University of Oxford received funding related to this work from the Bill & Melinda Gates Foundation (Investment ID INV-016201 and INV-019257); IDIAPJGol received funding from the Health Department from the Generalitat de Catalunya with a grant for research projects on SARS-CoV-2 and COVID-19 disease organized by the Direcci\u00f3 General de Recerca i Innovaci\u00f3 en Salut; DPA receives funding from NIHR Academy in the form of an NIHR Senior Research Fellowship. The views and opinions expressed are those of the authors and do not necessarily reflect those of the Clinician Scientist Award programme, NIHR, United States Department of Veterans Affairs or the United States Government, NHS, or the Department of Health, England; DRM is supported by a Wellcome Trust Clinical Research Development Fellowship (Grant 214588\/Z\/18\/Z, <a href=https:\/\/doi.org\/10.35802\/214588>https:\/\/doi.org\/10.35802\/214588<\/a>); and DMM is funded by Health Data Research-UK. The funders had no role in study design, data collection and analysis, decision to publish, or preparation of the manuscript.","order":2,"name":"grant-information","label":"Grant Information"},{"value":"This is an open access article distributed under the terms of the Creative Commons Attribution Licence, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.","order":0,"name":"copyright-info","label":"Copyright"}]}}