Table 1 Sources of data for developing proposals

Topics Rescources
Public awareness on the life-sustaining treatment decision-making system Utilizing the results from the “2022 National Survey on Public Opinion for Improving End-of-Life Culture through the Life-Sustaining Treatment Decision-Making System” conducted by the National Health Insurance in November 2022.
Experience of life-sustaining treatment decision-making system workers A focus group interview was conducted with groups consisting of medical staff, including four practitioners from tertiary hospitals and six from nursing and general hospitals, who are responsible for managing life-sustaining treatment at their respective institutions. These practitioners possess an understanding of the system and practical experience in clinical settings, as well as experience in operating medical institution ethics committees.
Expert group opinion survey on life-sustaining treatment decision-making system A survey on major issues related to the life-sustaining treatment decision-making system was prepared and conducted targeting member societies of the Korean Academy of Medical Sciences (analysis of responses from 34 societies).
Review of legislations related to life-sustaining treatment decisions The elements of the life-sustaining treatment decision-making system were compared and analyzed with the laws of Taiwan, the United States, Japan, the United Kingdom, and Germany.
Development of proposal for the revision of the life-sustaining treatment decision-making system Proposals were derived through consensus among the research team specializing in critical care medicine, oncology, palliative care, medical ethics, and medical law.