Improvements in Patient Acceptance by Hospitals Following the Introduction of a Smartphone App for the Emergency Medical Service System: A Population-Based Before-and-After Observational Study in Osaka City, Japan

Yusuke Katayama   ¹ , MD ;   Tetsuhisa Kitamura   ² , MD, DrPH ;   Kosuke Kiyohara   ³ , DrPH ;   Taku Iwami   ⁴ , MD, PhD ;   Takashi Kawamura   ⁴ , MD, PhD ;   Junichi Izawa   ⁵ , MD, DrPH ;   Koichiro Gibo   ⁶ , MD, MSc (Statistics) ;   Sho Komukai   ⁷ , PhD ;   Sumito Hayashida   ⁸ ;   Takeyuki Kiguchi   ⁴ , MD, PhD ;   Mitsuo Ohnishi   ¹ , MD, PhD ;   Hiroshi Ogura   ¹ , MD, PhD ;   Takeshi Shimazu   ¹ , MD, PhD

¹ Department of Traumatology and Acute Critical Medicine, Osaka University Graduate School of Medicine, Suita, Japan

² Division of Environmental Medicine and Population Sciences, Department of Social and Environmental Medicine, Osaka University Graduate School of Medicine, Suita, Japan

³ Department of Public Health, Tokyo Women's Medical University, Tokyo, Japan

⁴ Kyoto University Health Sevices, Kyoto, Japan

⁵ Intensive Care Unit, Department of Anesthesiology, The Jikei University School of Medicine, Tokyo, Japan

⁶ Department of Emergency Medicine, Okinawa Prefectural Chubu Hospital, Uruma, Japan

⁷ Clinical Research Center, Saga University Hospital, Saga, Japan

⁸ Osaka Municipal Fire Department, Osaka, Japan