Relationship between institutional ventilated COVID-19 case volume and in-hospital death: A multicenter cohort study

• Shunsuke Amagasa ,

  Roles Conceptualization, Formal analysis, Investigation, Methodology, Writing – original draft

  * E-mail: amagasa0828@gmail.com (SA); t-tagami@nms.ac.jp (TT)

  Affiliation Division of Emergency and Transport Services, National center for Child Health and Development, Okura, Setagaya-ku, Tokyo, Japan

  https://orcid.org/0000-0002-8371-1507

  ⨯
• Satoko Uematsu,

  Roles Investigation, Writing – review & editing

  Affiliation Department of Interdisciplinary Medicine, Division of General Pediatrics, National Center for Child Health and Development, Okura, Setagaya-ku, Tokyo, Japan

  ⨯
• Mitsuru Kubota,

  Roles Investigation, Writing – review & editing

  Affiliation Department of Interdisciplinary Medicine, Division of General Pediatrics, National Center for Child Health and Development, Okura, Setagaya-ku, Tokyo, Japan

  https://orcid.org/0000-0002-5395-8226

  ⨯
• Masahiro Kashiura,

  Roles Methodology, Writing – review & editing

  Affiliation Department of Emergency and Critical Care Medicine, Saitama Medical Center, Jichi Medical University, Amanuma-cho, Omiya-ku, Saitama City, Saitama, Japan

  ⨯
• Hideto Yasuda,

  Roles Methodology, Writing – review & editing

  Affiliation Department of Emergency and Critical Care Medicine, Saitama Medical Center, Jichi Medical University, Amanuma-cho, Omiya-ku, Saitama City, Saitama, Japan

  ⨯
• Mineji Hayakawa,

  Roles Investigation, Project administration, Writing – review & editing

  Affiliation Department of Emergency Medicine, Hokkaido University Hospital, Kita-ku, Sapporo, Japan

  https://orcid.org/0000-0001-8341-7626

  ⨯
• Kazuma Yamakawa,

  Roles Investigation, Project administration, Writing – review & editing

  Affiliation Department of Emergency Medicine, Osaka Medical and Pharmaceutical University, Daigakumachi, Takatsuki, Osaka, Japan

  https://orcid.org/0000-0003-2999-4021

  ⨯
• Akira Endo,

  Roles Investigation, Project administration, Writing – review & editing

  Affiliation Trauma and Acute Critical Care Center, Tokyo Medical and Dental University Hospital, Yushima, Bunkyo-ku, Tokyo, Japan

  ⨯
• Takayuki Ogura,

  Roles Investigation, Project administration, Writing – review & editing

  Affiliation Department of Emergency Medicine and Critical Care Medicine, Tochigi Prefectural Emergency and Critical Care Centre, Imperial Foundation Saiseikai Utsunomiya Hospital, Takebayashi-machi, Utsunomiya, Tochigi, Japan

  ⨯
• Atsushi Hirayama,

  Roles Investigation, Project administration, Writing – review & editing

  Affiliation Department of Social Medicine, Public Health, Graduate School of Medicine, Osaka University, Yamadaoka, Suita, Japan

  ⨯
• Hideo Yasunaga,

  Roles Investigation, Project administration, Writing – review & editing

  Affiliation Department of Clinical Epidemiology and Health Economics, School of Public Health, The University of Tokyo, Hongo, Bunkyo-ku, Tokyo, Japan

  ⨯
• Takashi Tagami

  Roles Data curation, Investigation, Methodology, Software, Supervision, Writing – review & editing

  * E-mail: amagasa0828@gmail.com (SA); t-tagami@nms.ac.jp (TT)

  Affiliation Department of Emergency and Critical Care Medicine, Nippon Medical School Musashikosugi Hospital, Kosugimachi, Nakahara-ku, Kawasaki, Kanagawa, Japan

  https://orcid.org/0000-0001-6953-1932

  ⨯