Reducing the effect of immortal time bias affects the analysis of prevention of delirium by suvorexant in critically ill patients: A retrospective cohort study

• Junji Shiotsuka ,

  Contributed equally to this work with: Junji Shiotsuka, Shigehiko Uchino, Yusuke Sasabuchi

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

  Affiliation Department Anesthesiology and Critical Care Medicine, Saitama Medical Center, Jichi Medical University, Omiya, Saitama, Japan

  https://orcid.org/0000-0001-9368-0591

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• Shigehiko Uchino ,

  Contributed equally to this work with: Junji Shiotsuka, Shigehiko Uchino, Yusuke Sasabuchi

  Roles Data curation, Methodology, Writing – review & editing

  Affiliation Department Anesthesiology and Critical Care Medicine, Saitama Medical Center, Jichi Medical University, Omiya, Saitama, Japan

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• Yusuke Sasabuchi ,

  Contributed equally to this work with: Junji Shiotsuka, Shigehiko Uchino, Yusuke Sasabuchi

  Roles Formal analysis, Methodology, Writing – review & editing

  Affiliation Data Science Center, Jichi Medical University, Shimotsuke, Tochigi, Japan

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• Tomoyuki Masuyama ,

  Roles Methodology, Writing – review & editing

  * E-mail: tomomasuyama@gmail.com

  ¶‡ TM and AKL also contributed equally to this work.

  Affiliation Department Anesthesiology and Critical Care Medicine, Saitama Medical Center, Jichi Medical University, Omiya, Saitama, Japan

  https://orcid.org/0000-0003-2148-5556

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• Alan Kawarai Lefor ,

  Roles Formal analysis, Methodology, Writing – review & editing

  ¶‡ TM and AKL also contributed equally to this work.

  Affiliation Department of Surgery, Jichi Medical University, Shimotsuke, Tochigi, Japan

  https://orcid.org/0000-0001-6673-5630

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• Masamitsu Sanui

  Roles Methodology, Writing – review & editing

  Affiliation Department Anesthesiology and Critical Care Medicine, Saitama Medical Center, Jichi Medical University, Omiya, Saitama, Japan

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