Based on the revised recommendations, the final recommendations were confirmed after collecting opinions from trauma experts, experts from the Korean Society of Traumatology, and research method experts using the Delphi technique (Table 1). Should a trauma unit be eStabliShed in order to treat trauma patientS? Recommendation A. A trauma unit must be established in order to treat severe trauma patients (1C). B. The trauma unit should be activated to respond within an appropriate time relative to the scale of the medical institution (1C).