Association between institutional procedural preference and in-hospital outcomes in laparoscopic surgeries; Insights from a retrospective cohort analysis of a nationwide surgical database in Japan

• Hiroaki Miyata ,

  Roles Conceptualization, Formal analysis, Investigation, Methodology, Project administration, Supervision, Writing – original draft, Writing – review & editing

  * E-mail: hqa-adm@umin.ac.jp

  Affiliations National Clinical Database, Tokyo, Japan, Department of Health Policy and Management, Keio University, Tokyo, Japan

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• Masaki Mori,

  Roles Supervision, Writing – review & editing

  Affiliations The Japanese Society of Gastroenterological Surgery, Tokyo, Japan, Department of Gastroenterological Surgery, Graduate School of Medicine, Osaka University, Osaka, Japan, Japan Surgical Society, Tokyo, Japan

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• Norihiro Kokudo,

  Roles Conceptualization, Writing – original draft

  Affiliations Japan Surgical Society, Tokyo, Japan, National Center for Global Health and Medicine, Tokyo, Japan

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• Mitsukazu Gotoh,

  Roles Conceptualization, Writing – review & editing

  Affiliations The Japanese Society of Gastroenterological Surgery, Tokyo, Japan, Osaka General Medical Center, Osaka, Japan

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• Hiroyuki Konno,

  Roles Conceptualization, Writing – review & editing

  Affiliations The Japanese Society of Gastroenterological Surgery, Tokyo, Japan, Hamamatsu University School of Medicine, Hamamatsu, Japan

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• Go Wakabayashi,

  Roles Conceptualization, Writing – review & editing

  Affiliations The Japanese Society of Gastroenterological Surgery, Tokyo, Japan, Department of Surgery, Ageo Central General Hospital, Saitama, Japan

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• Hisahiro Matsubara,

  Roles Conceptualization, Writing – review & editing

  Affiliations Japan Surgical Society, Tokyo, Japan, Department of Frontier Surgery, Graduate School of Medicine, Chiba University, Chiba, Japan

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• Toshiaki Watanabe,

  Roles Conceptualization, Writing – review & editing

  Affiliations Japan Surgical Society, Tokyo, Japan, Department of Surgical Oncology, Graduate School of Medicine, The University of Tokyo, Tokyo, Japan

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• Minoru Ono,

  Roles Conceptualization, Writing – review & editing

  Affiliations National Clinical Database, Tokyo, Japan, Department of Cardiac Surgery, The University of Tokyo, Tokyo, Japan

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• Hideki Hashimoto,

  Roles Methodology, Supervision, Writing – review & editing

  Affiliations National Clinical Database, Tokyo, Japan, Department of Health and Social Behavior, School of Public Health, The University of Tokyo, Tokyo, Japan

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• Hiroyuki Yamamoto,

  Roles Methodology, Visualization, Writing – review & editing

  Affiliations National Clinical Database, Tokyo, Japan, Department of Healthcare Quality Assessment, Graduate School of Medicine, The University of Tokyo, Tokyo, Japan

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• Hiraku Kumamaru,

  Roles Methodology, Visualization, Writing – review & editing

  Affiliations National Clinical Database, Tokyo, Japan, Department of Healthcare Quality Assessment, Graduate School of Medicine, The University of Tokyo, Tokyo, Japan

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• Shun Kohsaka,

  Roles Methodology, Writing – review & editing

  Affiliations National Clinical Database, Tokyo, Japan, Department of Cardiology, Keio University School of Medicine, Tokyo, Japan

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• Tadashi Iwanaka

  Roles Conceptualization, Methodology, Project administration, Supervision, Writing – review & editing

  Affiliations National Clinical Database, Tokyo, Japan, Bureau of Saitama Prefectural Hospitals, Saitama, Japan

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