Accepted for Publication: August 22, 2022.
Published: October 6, 2022. doi:10.1001/jamanetworkopen.2022.35401
Open Access: This is an open access article distributed under the terms of the CC-BY License. © 2022 Zha L et al. JAMA Network Open.
Corresponding Author: Ling Zha, PhD, MPH, Division of Environmental Medicine and Population Sciences, Department of Social Medicine, Graduate School of Medicine, Osaka University, 2-2 Yamada-Oka, Suita 565-0871, Japan (email@example.com).
Author Contributions: Drs Zha and Kitamura had full access to all of the data in the study and take responsibility for the integrity of the data and the accuracy of the data analysis.
Concept and design: Zha, Hosomi, Kitamura.
Acquisition, analysis, or interpretation of data: All authors.
Drafting of the manuscript: Zha, Hosomi, Kitamura.
Critical revision of the manuscript for important intellectual content: Zha, Kiyohara, Sobue, Kitamura.
Statistical analysis: Zha, Hosomi, Kiyohara.
Obtained funding: Kitamura.
Supervision: Sobue, Kitamura.
Conflict of Interest Disclosures: None reported.
Funding/Support: This study was supported by a Grant-in-Aid for Scientific Research (C) from the Japan Society for the Promotion of Science (22K09139) (Dr Kitamura).
Role of the Funder/Sponsor: The funding source had no role in the design and conduct of the study; collection, management, analysis, and interpretation of the data; preparation, review, or approval of the manuscript; and decision to submit the manuscript for publication.
Additional Contributions: The authors thank all emergency medical service personnel and physicians in Japan and the Fire and Disaster Management Agency and Institute for Fire Safety and Disaster Preparedness of Japan for their generous cooperation in establishing and maintaining the Utstein database. We thank our colleagues from the Osaka University Center of Medical Data Science and Advanced Clinical Epidemiology Investigator’s Research Project for providing insights and expertise regarding our study.
Additional Information: The data that support the findings of this study are available from the All-Japan Utstein Registry; however, restrictions apply to the availability of these data, which were used under license for the present study and are therefore not publicly available. However, the data are available from the authors on reasonable request and with permission from the All-Japan Utstein Registry.
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