Ionized calcium level at emergency department arrival is associated with return of spontaneous circulation in out-of-hospital cardiac arrest

• Sun Ju Kim,

  Roles Data curation, Methodology, Writing – original draft

  Affiliation Department of Emergency Medicine, Yonsei University Wonju College of Medicine, Wonju, Republic of Korea

  http://orcid.org/0000-0002-8169-5750

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• Hye Sim Kim,

  Roles Formal analysis

  Affiliation Center of Biomedical Data Science, Yonsei University Wonju College of Medicine, Wonju, Republic of Korea

  http://orcid.org/0000-0002-7431-9722

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• Sung Oh Hwang,

  Roles Writing – review & editing

  Affiliation Department of Emergency Medicine, Yonsei University Wonju College of Medicine, Wonju, Republic of Korea

  http://orcid.org/0000-0003-4585-3181

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• Woo Jin Jung,

  Roles Data curation, Writing – review & editing

  Affiliation Department of Emergency Medicine, Yonsei University Wonju College of Medicine, Wonju, Republic of Korea

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• Young Il Roh,

  Roles Data curation

  Affiliation Department of Emergency Medicine, Yonsei University Wonju College of Medicine, Wonju, Republic of Korea

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• Kyoung-Chul Cha ,

  Roles Conceptualization, Data curation, Formal analysis, Methodology, Supervision, Writing – review & editing

  * E-mail: chaemp@yonsei.ac.kr

  Affiliation Department of Emergency Medicine, Yonsei University Wonju College of Medicine, Wonju, Republic of Korea

  http://orcid.org/0000-0003-1818-2466

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• Sang Do Shin,

  Roles Project administration, Resources

  Affiliation Department of Emergency Medicine, Seoul National University Hospital, Seoul, Republic of Korea

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• Kyoung Jun Song,

  Roles Resources

  Affiliation Department of Emergency Medicine, Seoul National University Boramae Medical Center, Seoul, Republic of Korea

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• on behalf of the Korean Cardiac Arrest Research Consortium (KoCARC) Investigators

  ¶Membership of the Korean Cardiac Arrest Research Consortium (KoCARC) Investigators is provided in the Acknowledgments.

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