It is a cardiovascular surgery risk calculator provided by Japan Cardiovascular Surgery Surgery Database Organization.Please refer to the following for papers on JapanSCORE.※ As of October 2018 is published in JapanSCORE 2.JapanSCORE• Noboru Motomura, Hiroaki Miyata, Hiroyuki Tsukihara, ShinichiTakamoto, from the Cardiovascular Surgery Database Organization.Risk model of thoracic aortic surgery in 4707 cases from from one nationwide single-race population through auction-based data entry system: first report of 30-day and 30-day operative outcome risk models for thoracic aortic surgery. Circulation 2008; 118: S153-159.• Noboru Motomura, Hiroaki Miyata, Hiroyuki Tsukihara, Masafumi Okada, Shinichi Takamoto, Japan Cardiovascular Surgery Database Organization. First report on 30-day and operative mortality in risk model of isolated coronary artery bypass grafting in Japan. Annals of Thoracic Surgery 2008; 86 , 6: 1866-72.JapanSCORE 2· Hiroaki Miyata, PhD, Ai Tomotaki, RN, MS, Noboru Motomura, MD, PhD, and Shinichi Takamoto, MD, PhDOperative Mortality and Complication Risk Model for All Major Cardiovascular Operations in JapanDepartment of Healthcare Quality Assessment, Graduate School of Medicine, The University of Tokyo, Tokyo, and Japan Cardiovascular Surgery Database Organization, Tokyo, JapanAnn Thorac Surg. 2015 Jan; 99 (1): 130-9. Doi: 10.1016 / j.athoracsur.2014.07.038. Epub 2014 Nov 6.