Comparison of the end-of-life decisions of patients with hospital-acquired pneumonia after the enforcement of the life-sustaining treatment decision act in Korea.

"Declarations Ethics approval and consent to participateThis study was approved by the Institutional Review Board and Ethics Committee of Soonchunhyang University Bucheon Hospital (No. 2020–03-037–003) and the local committees of all other participating centers. The need for informed consent was waived by the institutional review boards of Soonchunhyang University Bucheon Hospital, Asan Medical Center, Myongji Hospital, Inje University Ilsan Paik Hospital, Jeju National University Hospital, Inje University Busan Paik Hospital, Pusan National University Yangsan Hospital, Ulsan University Hospital, Inje University Sanggye Paik Hospital, Jeonbuk National University Hospital, Kangbuk Samsung Hospital, Samsung Changwon Hospital, Konkuk University Medical Center, Chungnam National University Sejong Hospital, Korea University Guro Hospital, and Samsung Medical Center due to the retrospective nature of the study. All methods were carried out in accordance with the Helsinki Declaration and the relevant guidelines and regulations. Consent for publicationNot applicable. Competing interestsThe authors declare no competing interests. Competing interests The authors declare no competing interests."

"Funding This research was supported by the Chung-Ang University Research Grants in 2022. This study was funded by the 2019 Research Grant (2019E2808-00) from the Korean Disease Control and Prevention Agency."