Physician‐manned prehospital emergency care in tertiary emergency centers in Japan

Use of a physician‐manned prehospital emergency medical service (EMS) has recently become widespread in Japan. Understanding the epidemiology of critically ill patients is essential for planning national and regional physician‐manned prehospital EMS systems. However, current knowledge on patients receiving physician‐manned prehospital EMS is sparse. The present study aimed to determine the clinical features of critically ill patients with and without physician‐manned prehospital EMS, using a national inpatient database in Japan