Association between physician-staffed helicopter versus ground emergency medical services and mortality for pediatric trauma patients: A retrospective nationwide cohort study

• Yuki Enomoto ,

  Contributed equally to this work with: Yuki Enomoto, Asuka Tsuchiya

  Roles Conceptualization, Software, Writing – original draft

  * E-mail: enomoto-y@md.tsukuba.ac.jp

  Affiliations Department of Emergency and Critical Care Medicine, Faculty of Medicine, University of Tsukuba, Ibaraki, Japan, Department of Emergency and Critical Care Medicine, National Hospital Organization Mito Medical Center, Ibaraki, Japan

  http://orcid.org/0000-0002-3052-8602

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• Asuka Tsuchiya ,

  Contributed equally to this work with: Yuki Enomoto, Asuka Tsuchiya

  Roles Conceptualization, Formal analysis, Methodology

  Affiliations Department of Emergency and Critical Care Medicine, National Hospital Organization Mito Medical Center, Ibaraki, Japan, Department of Clinical Epidemiology and Health Economics, School of Public Health, The University of Tokyo, Tokyo, Japan

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• Yusuke Tsutsumi,

  Roles Software, Validation, Writing – review & editing

  Affiliation Department of Emergency and Critical Care Medicine, National Hospital Organization Mito Medical Center, Ibaraki, Japan

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• Koji Ishigami,

  Roles Data curation, Validation

  Affiliation Department of Emergency and Critical Care Medicine, National Hospital Organization Mito Medical Center, Ibaraki, Japan

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• Junpei Osone,

  Roles Investigation, Visualization

  Affiliation Department of Emergency and Critical Care Medicine, National Hospital Organization Mito Medical Center, Ibaraki, Japan

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• Masahito Togo,

  Roles Data curation, Investigation

  Affiliation Department of Emergency and Critical Care Medicine, National Hospital Organization Mito Medical Center, Ibaraki, Japan

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• Susumu Yasuda,

  Roles Supervision

  Affiliation Department of Emergency and Critical Care Medicine, National Hospital Organization Mito Medical Center, Ibaraki, Japan

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• Yoshiaki Inoue

  Roles Writing – review & editing

  Affiliation Department of Emergency and Critical Care Medicine, Faculty of Medicine, University of Tsukuba, Ibaraki, Japan

  http://orcid.org/0000-0001-6407-1965

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