{"id":"https://openalex.org/W3127065953","doi":"https://doi.org/10.1186/s12879-021-05840-2","title":"Clinical characteristics and outcomes of critically ill COVID-19 patients in Tokyo: a single-center observational study from the first wave","display_name":"Clinical characteristics and outcomes of critically ill COVID-19 patients in Tokyo: a single-center observational study from the first wave","publication_year":2021,"publication_date":"2021-02-09","ids":{"openalex":"https://openalex.org/W3127065953","doi":"https://doi.org/10.1186/s12879-021-05840-2","mag":"3127065953","pmid":"https://pubmed.ncbi.nlm.nih.gov/33563218","pmcid":"https://www.ncbi.nlm.nih.gov/pmc/articles/7871305"},"language":"en","primary_location":{"id":"doi:10.1186/s12879-021-05840-2","doi":"https://doi.org/10.1186/s12879-021-05840-2","is_oa":true,"landing_page_url":"https://doi.org/10.1186/s12879-021-05840-2","pdf_url":"https://bmcinfectdis.biomedcentral.com/counter/pdf/10.1186/s12879-021-05840-2","source":{"id":"https://openalex.org/S171015910","display_name":"BMC Infectious Diseases","issn_l":"1471-2334","issn":["1471-2334"],"is_oa":true,"is_in_doaj":true,"is_core":true,"listed_in":["anvur-scientific","cwts-core","doaj","dongbi-d","doyens","jufo-1","ki-jl-1","medline","norway-1","oarl","poland-100","russia-white-list-2","vabb-shw"],"host_organization":"https://openalex.org/P4310320256","host_organization_name":"BioMed Central","host_organization_lineage":["https://openalex.org/P4310320256","https://openalex.org/P4310319965"],"host_organization_lineage_names":["BioMed Central","Springer Nature"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"BMC Infectious Diseases","raw_type":"journal-article"},"volume":null,"type":"article","is_traditional":true,"indexed_in":["crossref","doaj","pubmed"],"open_access":{"is_oa":true,"oa_status":"gold","oa_url":"https://bmcinfectdis.biomedcentral.com/counter/pdf/10.1186/s12879-021-05840-2","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5064624582","display_name":"Aya Banno","orcid":"https://orcid.org/0000-0001-8279-0429","observed_orcids":["https://orcid.org/0000-0001-8279-0429"]},"institutions":[{"id":"https://openalex.org/I4210087594","display_name":"St. Luke's International Hospital","ror":"https://ror.org/002wydw38","country_code":"JP","type":"healthcare","lineage":["https://openalex.org/I4210087594"]}],"countries":["JP"],"is_corresponding":true,"raw_author_name":"Aya Banno","raw_affiliation_strings":["Department of Anesthesia and Intensive Care, St. Luke's International Hospital, 9-1 Akashicho, Chuo-ku, Tokyo, 104-8560, Japan. ayabanno@luke.ac.jp","Department of Anesthesia and Intensive Care, St. Luke's International Hospital, 9-1 Akashicho, Chuo-ku, Tokyo, 104-8560, Japan"],"raw_orcid":"https://orcid.org/0000-0001-8279-0429","affiliations":[{"raw_affiliation_string":"Department of Anesthesia and Intensive Care, St. Luke's International Hospital, 9-1 Akashicho, Chuo-ku, Tokyo, 104-8560, Japan. ayabanno@luke.ac.jp","institution_ids":["https://openalex.org/I4210087594"]},{"raw_affiliation_string":"Department of Anesthesia and Intensive Care, St. Luke's International Hospital, 9-1 Akashicho, Chuo-ku, Tokyo, 104-8560, Japan","institution_ids":["https://openalex.org/I4210087594"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5082880149","display_name":"Toru Hifumi","orcid":"https://orcid.org/0000-0003-3581-0890","observed_orcids":["https://orcid.org/0000-0003-3581-0890"]},"institutions":[{"id":"https://openalex.org/I4210087594","display_name":"St. Luke's International Hospital","ror":"https://ror.org/002wydw38","country_code":"JP","type":"healthcare","lineage":["https://openalex.org/I4210087594"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Toru Hifumi","raw_affiliation_strings":["Department of Emergency and Critical Care Medicine, St. Luke's International Hospital, Tokyo, Japan"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Emergency and Critical Care Medicine, St. Luke's International Hospital, Tokyo, Japan","institution_ids":["https://openalex.org/I4210087594"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5065387771","display_name":"Hiroaki Okamoto","orcid":"https://orcid.org/0000-0003-0827-0964","observed_orcids":["https://orcid.org/0000-0003-0827-0964"]},"institutions":[{"id":"https://openalex.org/I4210087594","display_name":"St. Luke's International Hospital","ror":"https://ror.org/002wydw38","country_code":"JP","type":"healthcare","lineage":["https://openalex.org/I4210087594"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Hiroshi Okamoto","raw_affiliation_strings":["Department of Anesthesia and Intensive Care, St. Luke's International Hospital, 9-1 Akashicho, Chuo-ku, Tokyo, 104-8560, Japan"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Anesthesia and Intensive Care, St. Luke's International Hospital, 9-1 Akashicho, Chuo-ku, Tokyo, 104-8560, Japan","institution_ids":["https://openalex.org/I4210087594"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5065620841","display_name":"Minori Masaki","orcid":"https://orcid.org/0000-0002-0804-7220","observed_orcids":["https://orcid.org/0000-0002-0804-7220"]},"institutions":[{"id":"https://openalex.org/I4210087594","display_name":"St. Luke's International Hospital","ror":"https://ror.org/002wydw38","country_code":"JP","type":"healthcare","lineage":["https://openalex.org/I4210087594"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Minori Masaki","raw_affiliation_strings":["Department of Anesthesia and Intensive Care, St. Luke's International Hospital, 9-1 Akashicho, Chuo-ku, Tokyo, 104-8560, Japan"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Anesthesia and Intensive Care, St. Luke's International Hospital, 9-1 Akashicho, Chuo-ku, Tokyo, 104-8560, Japan","institution_ids":["https://openalex.org/I4210087594"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5109517305","display_name":"Koichiro Seki","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I4210087594","display_name":"St. Luke's International Hospital","ror":"https://ror.org/002wydw38","country_code":"JP","type":"healthcare","lineage":["https://openalex.org/I4210087594"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Koichiro Seki","raw_affiliation_strings":["Department of Anesthesia and Intensive Care, St. Luke's International Hospital, 9-1 Akashicho, Chuo-ku, Tokyo, 104-8560, Japan"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Anesthesia and Intensive Care, St. Luke's International Hospital, 9-1 Akashicho, Chuo-ku, Tokyo, 104-8560, Japan","institution_ids":["https://openalex.org/I4210087594"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5030778500","display_name":"Shutaro Isokawa","orcid":"https://orcid.org/0000-0002-1952-6526","observed_orcids":["https://orcid.org/0000-0002-1952-6526"]},"institutions":[{"id":"https://openalex.org/I4210087594","display_name":"St. Luke's International Hospital","ror":"https://ror.org/002wydw38","country_code":"JP","type":"healthcare","lineage":["https://openalex.org/I4210087594"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Shutaro Isokawa","raw_affiliation_strings":["Department of Emergency and Critical Care Medicine, St. Luke's International Hospital, Tokyo, Japan"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Emergency and Critical Care Medicine, St. Luke's International Hospital, Tokyo, Japan","institution_ids":["https://openalex.org/I4210087594"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5013893118","display_name":"Norio Otani","orcid":"https://orcid.org/0000-0001-7122-5555","observed_orcids":["https://orcid.org/0000-0001-7122-5555"]},"institutions":[{"id":"https://openalex.org/I4210087594","display_name":"St. Luke's International Hospital","ror":"https://ror.org/002wydw38","country_code":"JP","type":"healthcare","lineage":["https://openalex.org/I4210087594"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Norio Otani","raw_affiliation_strings":["Department of Emergency and Critical Care Medicine, St. Luke's International Hospital, Tokyo, Japan"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Emergency and Critical Care Medicine, St. Luke's International Hospital, Tokyo, Japan","institution_ids":["https://openalex.org/I4210087594"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5002170800","display_name":"Kuniyoshi Hayashi","orcid":"https://orcid.org/0000-0001-9228-0940","observed_orcids":["https://orcid.org/0000-0001-9228-0940"]},"institutions":[{"id":"https://openalex.org/I4210092806","display_name":"St. Luke's International University","ror":"https://ror.org/00e5yzw53","country_code":"JP","type":"education","lineage":["https://openalex.org/I4210092806"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Kuniyoshi Hayashi","raw_affiliation_strings":["Graduate School of Public Health, St. Luke's International University, Tokyo, Japan"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Graduate School of Public Health, St. Luke's International University, Tokyo, Japan","institution_ids":["https://openalex.org/I4210092806"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5110135401","display_name":"Shinichi Ishimatsu","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I4210087594","display_name":"St. Luke's International Hospital","ror":"https://ror.org/002wydw38","country_code":"JP","type":"healthcare","lineage":["https://openalex.org/I4210087594"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Shinichi Ishimatsu","raw_affiliation_strings":["Department of Emergency and Critical Care Medicine, St. Luke's International Hospital, Tokyo, Japan"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Emergency and Critical Care Medicine, St. Luke's International Hospital, Tokyo, Japan","institution_ids":["https://openalex.org/I4210087594"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":2,"corresponding_author_ids":["https://openalex.org/A5064624582"],"corresponding_institution_ids":["https://openalex.org/I4210087594"],"apc_list":{"value":2380,"currency":"USD","value_usd":2380},"apc_paid":{"value":2380,"currency":"USD","value_usd":2380},"fwci":1.446,"has_fulltext":true,"cited_by_count":17,"citation_normalized_percentile":{"value":0.84896767,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":88,"max":99},"biblio":{"volume":"21","issue":"1","first_page":"163","last_page":"163"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10041","display_name":"COVID-19 Clinical Research Studies","score":0.9990000128746033,"subfield":{"id":"https://openalex.org/subfields/2725","display_name":"Infectious Diseases"},"field":{"id":"https://openalex.org/fields/27","display_name":"Medicine"},"domain":{"id":"https://openalex.org/domains/4","display_name":"Health Sciences"}},"topics":[{"id":"https://openalex.org/T10041","display_name":"COVID-19 Clinical Research Studies","score":0.9990000128746033,"subfield":{"id":"https://openalex.org/subfields/2725","display_name":"Infectious Diseases"},"field":{"id":"https://openalex.org/fields/27","display_name":"Medicine"},"domain":{"id":"https://openalex.org/domains/4","display_name":"Health Sciences"}},{"id":"https://openalex.org/T10322","display_name":"Respiratory Support and Mechanisms","score":0.0005000000237487257,"subfield":{"id":"https://openalex.org/subfields/2740","display_name":"Pulmonary and Respiratory Medicine"},"field":{"id":"https://openalex.org/fields/27","display_name":"Medicine"},"domain":{"id":"https://openalex.org/domains/4","display_name":"Health Sciences"}},{"id":"https://openalex.org/T10218","display_name":"Sepsis Diagnosis and Treatment","score":0.00019999999494757503,"subfield":{"id":"https://openalex.org/subfields/2706","display_name":"Critical Care and Intensive Care Medicine"},"field":{"id":"https://openalex.org/fields/27","display_name":"Medicine"},"domain":{"id":"https://openalex.org/domains/4","display_name":"Health Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/covid-19","display_name":"COVID-19 pandemic","score":0.996999979019165},{"id":"https://openalex.org/keywords/critically-ill-patients","display_name":"critically ill patients","score":0.9240000247955322},{"id":"https://openalex.org/keywords/intensive-care-unit","display_name":"intensive care unit","score":0.7839999794960022},{"id":"https://openalex.org/keywords/neutrophil-to-lymphocyte-ratio","display_name":"neutrophil-to-lymphocyte ratio","score":0.8560000061988831},{"id":"https://openalex.org/keywords/inflammatory-markers","display_name":"inflammatory markers","score":0.9190000295639038},{"id":"https://openalex.org/keywords/mechanical-ventilation","display_name":"mechanical ventilation","score":0.9419999718666077},{"id":"https://openalex.org/keywords/in-hospital-mortality","display_name":"in-hospital mortality","score":0.8259999752044678},{"id":"https://openalex.org/keywords/methylprednisolone","display_name":"methylprednisolone","score":0.8299999833106995},{"id":"https://openalex.org/keywords/systemic-corticosteroids","display_name":"systemic corticosteroids","score":0.890999972820282},{"id":"https://openalex.org/keywords/favipiravir","display_name":"favipiravir","score":0.9869999885559082},{"id":"https://openalex.org/keywords/extracorporeal-membrane-oxygenation","display_name":"extracorporeal membrane oxygenation","score":0.9819999933242798},{"id":"https://openalex.org/keywords/tracheostomy","display_name":"tracheostomy","score":0.7739999890327454},{"id":"https://openalex.org/keywords/icu-length-of-stay","display_name":"ICU length of stay","score":0.7670000195503235},{"id":"https://openalex.org/keywords/tokyo","display_name":"Tokyo","score":0.3330000042915344}],"concepts":[{"id":"https://openalex.org/C71924100","wikidata":"https://www.wikidata.org/wiki/Q11190","display_name":"Medicine","level":0,"score":0.8906728625297546},{"id":"https://openalex.org/C2776376669","wikidata":"https://www.wikidata.org/wiki/Q5094647","display_name":"Intensive care unit","level":2,"score":0.7259849309921265},{"id":"https://openalex.org/C2777080012","wikidata":"https://www.wikidata.org/wiki/Q3766250","display_name":"Mechanical ventilation","level":2,"score":0.7001649141311646},{"id":"https://openalex.org/C2776858399","wikidata":"https://www.wikidata.org/wiki/Q1385195","display_name":"Extracorporeal membrane oxygenation","level":2,"score":0.6001693606376648},{"id":"https://openalex.org/C2987404301","wikidata":"https://www.wikidata.org/wiki/Q679690","display_name":"Intensive care","level":2,"score":0.5247214436531067},{"id":"https://openalex.org/C167135981","wikidata":"https://www.wikidata.org/wiki/Q2146302","display_name":"Retrospective cohort study","level":2,"score":0.48644399642944336},{"id":"https://openalex.org/C2776348555","wikidata":"https://www.wikidata.org/wiki/Q344873","display_name":"ARDS","level":3,"score":0.45529723167419434},{"id":"https://openalex.org/C2991859549","wikidata":"https://www.wikidata.org/wiki/Q679690","display_name":"Critically ill","level":2,"score":0.41274094581604004},{"id":"https://openalex.org/C194828623","wikidata":"https://www.wikidata.org/wiki/Q2861470","display_name":"Emergency medicine","level":1,"score":0.39502981305122375},{"id":"https://openalex.org/C126322002","wikidata":"https://www.wikidata.org/wiki/Q11180","display_name":"Internal medicine","level":1,"score":0.349814236164093},{"id":"https://openalex.org/C177713679","wikidata":"https://www.wikidata.org/wiki/Q679690","display_name":"Intensive care medicine","level":1,"score":0.28114765882492065},{"id":"https://openalex.org/C2777714996","wikidata":"https://www.wikidata.org/wiki/Q7886","display_name":"Lung","level":2,"score":0.13571390509605408}],"mesh":[{"descriptor_ui":"D000086382","descriptor_name":"COVID-19","qualifier_ui":"Q000276","qualifier_name":"immunology","is_major_topic":false},{"descriptor_ui":"D000086382","descriptor_name":"COVID-19","qualifier_ui":"Q000401","qualifier_name":"mortality","is_major_topic":false},{"descriptor_ui":"D000086382","descriptor_name":"COVID-19","qualifier_ui":"Q000503","qualifier_name":"physiopathology","is_major_topic":true},{"descriptor_ui":"D000086382","descriptor_name":"COVID-19","qualifier_ui":"Q000628","qualifier_name":"therapy","is_major_topic":true},{"descriptor_ui":"D000328","descriptor_name":"Adult","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D000368","descriptor_name":"Aged","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D000369","descriptor_name":"Aged, 80 and over","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D000998","descriptor_name":"Antiviral Agents","qualifier_ui":"Q000627","qualifier_name":"therapeutic use","is_major_topic":false},{"descriptor_ui":"D002097","descriptor_name":"C-Reactive Protein","qualifier_ui":"Q000032","qualifier_name":"analysis","is_major_topic":false},{"descriptor_ui":"D005260","descriptor_name":"Female","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D005338","descriptor_name":"Fibrin Fibrinogen Degradation Products","qualifier_ui":"Q000032","qualifier_name":"analysis","is_major_topic":false},{"descriptor_ui":"D006760","descriptor_name":"Hospitalization","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D006801","descriptor_name":"Humans","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D007362","descriptor_name":"Intensive Care Units","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D007902","descriptor_name":"Length of Stay","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D007958","descriptor_name":"Leukocyte Count","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D008297","descriptor_name":"Male","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D008775","descriptor_name":"Methylprednisolone","qualifier_ui":"Q000627","qualifier_name":"therapeutic use","is_major_topic":false},{"descriptor_ui":"D008875","descriptor_name":"Middle Aged","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D012121","descriptor_name":"Respiration, Artificial","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D012189","descriptor_name":"Retrospective Studies","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D014041","descriptor_name":"Tokyo","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D015199","descriptor_name":"Extracorporeal Membrane Oxygenation","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D016638","descriptor_name":"Critical Illness","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false}],"locations_count":5,"locations":[{"id":"doi:10.1186/s12879-021-05840-2","doi":"https://doi.org/10.1186/s12879-021-05840-2","is_oa":true,"landing_page_url":"https://doi.org/10.1186/s12879-021-05840-2","pdf_url":"https://bmcinfectdis.biomedcentral.com/counter/pdf/10.1186/s12879-021-05840-2","source":{"id":"https://openalex.org/S171015910","display_name":"BMC Infectious Diseases","issn_l":"1471-2334","issn":["1471-2334"],"is_oa":true,"is_in_doaj":true,"is_core":true,"listed_in":["anvur-scientific","cwts-core","doaj","dongbi-d","doyens","jufo-1","ki-jl-1","medline","norway-1","oarl","poland-100","russia-white-list-2","vabb-shw"],"host_organization":"https://openalex.org/P4310320256","host_organization_name":"BioMed Central","host_organization_lineage":["https://openalex.org/P4310320256","https://openalex.org/P4310319965"],"host_organization_lineage_names":["BioMed Central","Springer Nature"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"BMC Infectious Diseases","raw_type":"journal-article"},{"id":"doi:10.21203/rs.3.rs-52831/v1","doi":"https://doi.org/10.21203/rs.3.rs-52831/v1","is_oa":true,"landing_page_url":"https://doi.org/10.21203/rs.3.rs-52831/v1","pdf_url":"https://www.researchsquare.com/article/rs-52831/latest.pdf","source":{"id":"https://openalex.org/S4306525896","display_name":"Research Square","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"repository"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"Research Square","raw_type":"posted-content"},{"id":"pmid:33563218","doi":null,"is_oa":false,"landing_page_url":"https://pubmed.ncbi.nlm.nih.gov/33563218","pdf_url":null,"source":{"id":"https://openalex.org/S4306525036","display_name":"PubMed","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I1299303238","host_organization_name":"National Institutes of Health","host_organization_lineage":["https://openalex.org/I1299303238"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"BMC infectious diseases","raw_type":"Journal Article"},{"id":"pmh:oai:pubmedcentral.nih.gov:7871305","doi":null,"is_oa":true,"landing_page_url":"https://pmc.ncbi.nlm.nih.gov/articles/PMC7871305/","pdf_url":null,"source":{"id":"https://openalex.org/S2764455111","display_name":"PubMed Central","issn_l":null,"issn":null,"is_oa":true,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I1299303238","host_organization_name":"National Institutes of Health","host_organization_lineage":["https://openalex.org/I1299303238"],"host_organization_lineage_names":[],"type":"repository"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"BMC Infect Dis","raw_type":"Text"},{"id":"pmh:oai:doaj.org/article:809fab9927614ee8901dd33a48a9cab3","doi":null,"is_oa":true,"landing_page_url":"https://doaj.org/article/809fab9927614ee8901dd33a48a9cab3","pdf_url":null,"source":{"id":"https://openalex.org/S4306401280","display_name":"DOAJ (DOAJ: Directory of Open Access Journals)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"repository"},"license":"cc-by-sa","license_id":"https://openalex.org/licenses/cc-by-sa","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"BMC Infectious Diseases, Vol 21, Iss 1, Pp 1-9 (2021)","raw_type":"article"}],"best_oa_location":{"id":"doi:10.1186/s12879-021-05840-2","doi":"https://doi.org/10.1186/s12879-021-05840-2","is_oa":true,"landing_page_url":"https://doi.org/10.1186/s12879-021-05840-2","pdf_url":"https://bmcinfectdis.biomedcentral.com/counter/pdf/10.1186/s12879-021-05840-2","source":{"id":"https://openalex.org/S171015910","display_name":"BMC Infectious Diseases","issn_l":"1471-2334","issn":["1471-2334"],"is_oa":true,"is_in_doaj":true,"is_core":true,"listed_in":["anvur-scientific","cwts-core","doaj","dongbi-d","doyens","jufo-1","ki-jl-1","medline","norway-1","oarl","poland-100","russia-white-list-2","vabb-shw"],"host_organization":"https://openalex.org/P4310320256","host_organization_name":"BioMed Central","host_organization_lineage":["https://openalex.org/P4310320256","https://openalex.org/P4310319965"],"host_organization_lineage_names":["BioMed Central","Springer Nature"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"BMC Infectious Diseases","raw_type":"journal-article"},"sustainable_development_goals":[{"score":1.0,"display_name":"Good health and well-being","id":"https://metadata.un.org/sdg/3"}],"study_designs":[{"display_name":"Observational Study","id":"https://openalex.org/study-designs/observational-study"}],"awards":[],"funders":[],"has_content":{"pdf":true,"grobid_xml":true},"content_urls":{"pdf":"https://content.openalex.org/works/W3127065953.pdf","grobid_xml":"https://content.openalex.org/works/W3127065953.grobid-xml"},"referenced_works_count":35,"referenced_works":["https://openalex.org/W3001118548","https://openalex.org/W3005079553","https://openalex.org/W3005403371","https://openalex.org/W3007497549","https://openalex.org/W3008090866","https://openalex.org/W3009885589","https://openalex.org/W3011559677","https://openalex.org/W3013393665","https://openalex.org/W3013816672","https://openalex.org/W3014294089","https://openalex.org/W3014901240","https://openalex.org/W3015228903","https://openalex.org/W3015826289","https://openalex.org/W3016173495","https://openalex.org/W3016535995","https://openalex.org/W3016541457","https://openalex.org/W3016641669","https://openalex.org/W3016703877","https://openalex.org/W3019830619","https://openalex.org/W3020097680","https://openalex.org/W3020255377","https://openalex.org/W3021274772","https://openalex.org/W3023264778","https://openalex.org/W3024193040","https://openalex.org/W3025063365","https://openalex.org/W3025172442","https://openalex.org/W3025675811","https://openalex.org/W3025699671","https://openalex.org/W3028031765","https://openalex.org/W3030700284","https://openalex.org/W3030944053","https://openalex.org/W3033272991","https://openalex.org/W3034091913","https://openalex.org/W3036207809","https://openalex.org/W3163226127"],"related_works":["https://openalex.org/W3126022962","https://openalex.org/W3093309510","https://openalex.org/W3170642997","https://openalex.org/W3114774780","https://openalex.org/W3088440801","https://openalex.org/W4210891056","https://openalex.org/W3094458208","https://openalex.org/W3049068594","https://openalex.org/W3103911405","https://openalex.org/W4255589521"],"abstract_inverted_index":{"BACKGROUND:":[0],"Many":[1],"studies":[2],"have":[3,30],"been":[4,33],"published":[5],"about":[6],"critically":[7,26,48],"ill":[8,27,49],"coronavirus":[9],"disease":[10],"2019":[11],"(COVID-19)":[12],"during":[13],"the":[14,18,21,39,56,62,79,88,292],"early":[15],"phases":[16],"of":[17,25,65,81,110,117,150,159,168,201,218,234,286,295],"pandemic":[19],"but":[20],"characteristic":[22],"or":[23,113,119],"survival":[24],"Japanese":[28,50],"patients":[29,51,85,130,162,188,213,225,241],"not":[31],"yet":[32],"investigated.":[34],"We":[35],"sought":[36],"to":[37,55,87,93,147],"investigate":[38],"characteristics,":[40],"inflammatory":[41,102],"laboratory":[42,103,289],"finding":[43],"trends,":[44],"and":[45,138,154,170,220,228,245],"outcomes":[46],"among":[47],"who":[52,189,207],"were":[53,97,105,122,131,140,163,214],"admitted":[54,86],"intensive":[57,209],"care":[58],"unit":[59],"(ICU)":[60],"with":[61],"first":[63],"wave":[64],"COVID-19.":[66,296],"METHODS:":[67],"A":[68],"retrospective":[69],"observational":[70],"study":[71],"was":[72,135,145,197,226,237,267],"performed":[73],"in":[74,78,199,270],"a":[75,148,243],"single":[76,272],"institution":[77],"center":[80],"Tokyo.":[82],"Laboratory-confirmed":[83],"COVID-19":[84],"ICU":[89,118,219],"from":[90],"March":[91],"19":[92],"April":[94],"30,":[95],"2020":[96],"included.":[98,132],"Trends":[99,285],"for":[100,223,249,280],"significant":[101,288],"findings":[104],"analyzed.":[106],"In-hospital":[107],"death,":[108],"days":[109,116],"mechanical":[111,172,257,278],"ventilation":[112,248,258,279],"oxygen":[114],"supplementation,":[115],"hospital":[120,221],"stay":[121,222],"followed":[123],"until":[124],"May":[125],"26,":[126],"2020.":[127],"RESULTS:":[128],"Twenty-four":[129],"Median":[133,216,232],"age":[134],"57.5":[136],"years,":[137],"79%":[139],"male.":[141],"The":[142,180],"neutrophil-to-lymphocyte":[143],"ratio":[144],"elevated":[146],"median":[149],"10.1":[151],"on":[152,156,165],"admission":[153],"peaked":[155],"Day":[157,166],"10":[158],"illness.":[160],"Seventeen":[161],"intubated":[164],"11":[167],"illness":[169],"received":[171,183,190,246,277],"ventilation.":[173],"One":[174,254],"patient":[175,255],"underwent":[176,242],"extracorporeal":[177],"membrane":[178],"oxygenation.":[179],"majority":[181],"(88%)":[182],"systemic":[184],"steroids,":[185],"including":[186,205],"16":[187],"high":[191],"dose":[192],"methylprednisolone":[193],"(500-1000":[194],"mg).":[195],"Favipiravir":[196],"used":[198],"38%":[200],"patients.":[202],"Two":[203],"patients,":[204],"1":[206],"refused":[208],"care,":[210],"died.":[211,259],"Eighteen":[212],"discharged.":[215],"length":[217,233],"all":[224],"6":[227],"22":[229],"days,":[230],"respectively.":[231],"ventilator":[235,263],"dependency":[236],"7":[238],"days.":[239,253],"Four":[240],"tracheostomy":[244],"prolonged":[247],"more":[250,281],"than":[251,282],"21":[252],"receiving":[256],"All":[260],"survivors":[261,276],"discontinued":[262],"use.":[264],"CONCLUSIONS:":[265],"Mortality":[266],"remarkably":[268],"low":[269],"our":[271],"institutional":[273],"study.":[274],"Three":[275],"3":[283],"weeks.":[284],"clinically":[287],"markers":[290],"reflected":[291],"clinical":[293],"course":[294]},"counts_by_year":[{"year":2024,"cited_by_count":1},{"year":2023,"cited_by_count":8},{"year":2022,"cited_by_count":4},{"year":2021,"cited_by_count":4}],"updated_date":"2026-11-10T11:39:43.021295","created_date":"2021-02-15T00:00:00"}
