Research field (1)：
Healthcare management, medical sociology
Research theme for competitive and other funds (5)：
2017 - 2020 Research on the effects of hospital competition and collaboration on hospital management and quality of care in Japan
2016 - 2019 How to develop financially sustainable and regionally equitable systems of quality health and health care under limited resources of super-ageing societies
2013 - 2016 Quality, cost and access in health care systems and their relationships to resources
2013 - 2016 Research on the quantitative evaluation of regional healthcare systems in various countries and its applications in Japan
2010 - 2012 Assessment and Mechanism Analysis on Networking, Effectiveness, Efficiency and Equity in Regional Systems of Medical, Health and Long-term Care
Papers (46)：
Tatsuichiro Takahashi, Tetsuya Otsubo, Susumu Kunisawa, Sasaki Noriko, Yuichi Imanaka. Factors associated with high-dose antipsychotic prescriptions in outpatients with schizophrenia: An analysis of claims data from a Japanese prefecture. Neuropsychopharmacology reports. 2020
Nakayama Takeo, Imanaka Yuichi, Okuno Yasushi, Kato Genta, Kuroda Tomohiro, Goto Rei, Tanaka Shiro, Tamura Hiroshi, Fukuhara Shunichi, Fukuma Shingo, et al. 高齢者に対する適正医療の推進のためのエビデンスと診療のギャップの解析 レセプト情報・特定健診等情報データベース(NDB)の活用対策の検討(Analysis of the evidence-practice gap to facilitate proper medical care for the elderly: investigation, using databases, of utilization measures for National Database of Health Insurance Claims and Specific Health Checkups of Japan(NDB)). Environmental Health and Preventive Medicine. 2017. 22. June. 1-7
Hironori Uematsu, Kazuto Yamashita, Susumu Kunisawa, Tetsuya Otsubo, Yuichi Imanaka. Prediction of pneumonia hospitalization in adults using health checkup data. PLOS ONE. 2017. 12. 6. e0180159
Koji Hara, Tetsuya Otsubo, Susumu Kunisawa, Yuichi Imanaka. Examining sufficiency and equity in the geographic distribution of physicians in Japan: a longitudinal study. BMJ OPEN. 2017. 7. 3. e013922
H. Lin, N. Sasaki, S. Kunisawa, T. Otsubo, Y. Imanaka. A COMPARISON OF CLASSIFICATION AND REGRESSION TREES AND LOGISTIC REGRESSION FOR PREDICTING DEATH OF OLDER LONG-TERM CARE USERS IN JAPAN. VALUE IN HEALTH. 2015. 18. 7. A383-A383
H-R Lin, T. Otsubo, Y. Imanaka. The Effects of Dementia and Long-Term Care Services on the Deterioration of Care-needs Levels of the Elderly in Japan (vol 94, pg e525, 2015). MEDICINE. 2015. 94. 11
Otsubo T, Lee J, IKAI H, Imanaka Y. THE EFFECTS OF WEEKEND AND AFTER-HOURS ADMISSIONS ON MORTALITY IN ACUTE MYOCARDIAL INFARCTION PATIENTS IN JAPAN. 29th International Society of Quality in Health Care Conference, Geneva, Switzerland. 2012
Handbook of Health Services Research.
Springer US ISBN:9781461446569
Lectures and oral presentations (12)：
An Introduction to Japan’s Health Care System.
(International Perspectives on Health Care. 2014)
An Introduction to Japan's Health Care System: Systematic Approaches and Issues in a Super-Aging Society.
(Cardiovascular Program Rounds. 2014)
Health Care System in Japan.
(International Perspectives on Health Care. 2014)
An introduction of Japan’s health care system: Is this a sustainable system in a super-aging society?
(International Seminar. 2014)
Case volume or resource volume, which really matters? Looking into mechanisms of variation in quality of health care.
(Wennberg International Collaborative. 2013)
