Growth
• The trend in the number of registered cases was tracked monthly starting from August 2015.
• As of December 31, 2023, 318 institutions have declared their participation, with 140 of them having commenced data registration.
• The number of institutions registering data has shown an increasing trend since 2016, and a similar increase is anticipated in the future.
• The number of registered cases reached 100,000 in May 2019, 200,000 in April 2021, 300,000 in September 2022, and 400,000 in October 2023.
Figure. The trend in the number of participating facilities and registered cases.

Institutions | Type of hospital |
Number of ICU beds |
---|---|---|
ICU, University Hospital, Kyoto Prefectural University of Medicine | Public University |
6 |
PICU, University Hospital, Kyoto Prefectural University of Medicine | Public University |
6 |
Department of Intensive Care, The Jikei University Hospital | Private University |
20 |
ICU, Tokyo Bay Urayasu Ichikawa Medical Center | Private | 12 |
ICU, Department of Emergency and Critical Care Medicine, Keio University Hospital | Private University |
16 |
Department of Emergency and Critical Care Medicine, Nara Medical University | Public University |
14 |
Emergency and Critical Care Medicine, Tokushima University Hospital | National University |
11 |
EICU, Kurashiki Central Hospital | Private | 10 |
ICU, Kurashiki Central Hospital | Private | 24 |
ICU, Hirosaki University Hospital | National University |
16 |
Department of Emergency and Critical Care Medicine, Wakayama Medical University Hospital | Public University |
10 |
ICU, Kumamoto Medical Center | National | 6 |
ICU, Fujita Health University Hospital | Private University |
18 |
ICU, Jichi Medical University Saitama Medical Center | Private University |
30 |
ICU, The Jikei University Kashiwa Hospital | Private University |
14 |
ICU, Suwa Red Cross Hospital | Municipal | 8 |
ICU, Fukuyama City Hospital | Public | 8 |
Critical Care and Emergency Center, Fukuyama City Hospital | Public | 8 |
ICU, Yokohama City Minato Red Cross Hospital | Municipal | 10 |
Department of Emergency Medicine and ICU, Dokkyo Medical University Hospital | Private University |
12 |
E-ICU/CCU, St. Mary's Hospital | Private | 12 |
ICU, St. Mary’s Hospital | Private | 18 |
ICU/CCU Center, Chutoen General Medical Center | Public | 10 |
ICU, JA Hiroshima General Hospital | Municipal | 8 |
Advanced Critical Care Center, Gifu University Hospital | National University |
6 |
ICU, Juntendo University Hospital | Private University |
16 |
Central ICU, Kyorin University Hospital | Private University |
18 |
Department of Critical Care Medicine, Sakai City Medical Center | Public | 8 |
ICU, Osaka University Hospital | National University |
29 |
ICU, Shin-Yurigaoka General Hospital | Private | 10 |
Advanced ICU, Tottori University Hospital | National University |
6 |
ICU, Jikei University School of Medicine Katsushika Medical Center | Private University |
12 |
EICU, Kobe City Medical Center General Hospital | Public | 8 |
GICU, Kobe City Medical Center General Hospital | Public | 8 |
ICU, Osaka General Medical Center | National | 10 |
CCU/ICU, Sendai Kousei Hospital | Private | 18 |
Advanced Emergency and Critical Care Center, Hiroshima University Hospital | National University |
10 |
ICU, Okinawa Prefectural Chubu Hospital | Municipal | 12 |
Pediatric Intensive Care Unit, Shizuoka Children's Hospital | Municipal | 12 |
Kagoshima University Hospital | National University |
14 |
ICU, Takamatsu Red Cross Hospital | Public | 4 |
Intensive Care Center, Shizuoka General Hospital | Public | 14 |
EICU, Shiga University of Medical Science Hospital | National University |
12 |
ICU, Saitama Medical University International Medical Center | Private University |
14 |
Department of Intensive Care Medicine, Tokyo Medical and Dental University Hospital | National University |
12 |
ICU, Oita University Hospital | National University |
8 |
ICU, Gunma University Hospital | National University |
17 |
ICU, Yamagata University Hospital | National University |
6 |
Department of Anesthesia, Kyoto Medical Center | National | 6 |
PICU, The Jikei University Hospital | Private University |
6 |
PICU, Hyogo Prefectural Kobe Children's Hospital | Public | 16 |
Surgical Intensive Care Unit, Nagoya University Hospital | National University |
20 |
ICU, Chubu Tokushukai Hospital | Private | 10 |
ICU, Kobe University Hospital | National University |
20 |
ICU, Kagawa University Hospital | National University |
6 |
ICU, Hamamatsu University Hospital | National University |
12 |
ICU, St. Marianna University School of Medicine Hospital | Private University |
30 |
ICU, Japanese Red Cross Saitama Hospital | Municipal | 8 |
Department of Emergency and Critical Care Medicine, Nara Medical University | Public University |
10 |
Critical Care and Emergency Center, Tokyo Medical Center | National | 6 |
ICU, Iizuka Hospital | Private | 12 |
ICU, St. Luke's International Hospital | Private University |
8 |
ICU, Kanazawa University Hospital | National University |
22 |
ICU, Omihachiman City Medical Center | Public | 6 |
Department of Anesthesiology and ICU, Ichinomiya Nishi Hospital | Private | 8 |
Critical Care and Emergency Center, Asahikawa Red Cross Hospital | Municipal | 6 |
ICU, Matsue Red Cross Hospital | Municipal | 13 |
Critical Care and Emergency Center, Osaka National Hospital | National | 26 |
ICU, Sakakibara Heart Institute | Private | 16 |
Critical Care and Emergency Center, Saiseikai Yokohama City Tobu Hospital | Municipal | 10 |
Department of Emergency and Critical Care, University of Tsukuba Hospital | National University |
20 |
ICU, Kyoto University Hospital | National University |
20 |
GICU, Hyogo Prefectural Amagasaki General Medical Center | Public | 12 |
ICU, Mie University Hospital | National University |
14 |
ICU, Japanese Red Cross Medical Center | Municipal | 14 |
ICU, Chiba Children’s Hospital | Public | 9 |
ICU, Tohoku University Hospital | National University |
18 |
Department of Anesthesiology and ICU, Funabashi Municipal Medical Center | Public | 8 |
ICU, Tokyo Metropolitan Bokutoh Hospital | Public | 8 |
Department of Emergency and Critical Care, Juntendo University Nerima Hospital | Private University |
12 |
ICU, Toranomon Hospital | Municipal | 20 |
Pediatric ICU, Matsudo City General Medical Center | Public | 8 |
Critical Care and Emergency Center, Matsudo City General Medical Center | Public | 16 |
Critical Care and Emergency Center, Osaka General Medical Center | Municipal | 16 |
ICU, Fukushima Medical University | Public University |
8 |
ICU, Yokohama City University Hospital | Public University |
8 |
ICU, Gifu Prefectural General Medical Center | Public | 8 |
Department of Emergency Medicine, University of Yamanashi Hospital | National University |
12 |
Emergency and Medical Intensive Care Unit, Nagoya University Hospital | National University |
8 |
General ICU, Tokyo Saiseikai Central Hospital | Public | 10 |
Critical Care and Emergency Center, Tokyo Saiseikai Central Hospital | Public | 10 |
ICU, Suita Tokushukai Hospital | Private | 10 |
ICU, Maebashi Red Cross Hospital | Municipal | 18 |
Critical Care and Emergency Center, Ureshino Medical Center | Public | 8 |
ICU, Yao Tokushukai General Hospital | Private | 8 |