Tetsuya Otsubo

Profile Information

J-GLOBAL ID: 201401003222856768
researchmap Member ID: 7000008834

Research Areas

Life sciences / Healthcare management, medical sociology /

Papers

Factors associated with high-dose antipsychotic prescriptions in outpatients with schizophrenia: An analysis of claims data from a Japanese prefecture.

Tatsuichiro Takahashi, Tetsuya Otsubo, Susumu Kunisawa, Sasaki Noriko, Yuichi Imanaka

Neuropsychopharmacology reports, May 26, 2020 Peer-reviewed
Survival analysis of increases in care needs associated with dementia and living alone among older long-term care service users in Japan

Huei-Ru Lin, Tetsuya Otsubo, Yuichi Imanaka

BMC GERIATRICS, 17(1) 182, Aug, 2017 Peer-reviewed
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))

Nakayama Takeo, Imanaka Yuichi, Okuno Yasushi, Kato Genta, Kuroda Tomohiro, Goto Rei, Tanaka Shiro, Tamura Hiroshi, Fukuhara Shunichi, Fukuma Shingo …

Environmental Health and Preventive Medicine, 22(June) 1-7, Jun, 2017
Prediction of pneumonia hospitalization in adults using health checkup data

Hironori Uematsu, Kazuto Yamashita, Susumu Kunisawa, Tetsuya Otsubo, Yuichi Imanaka

PLOS ONE, 12(6) e0180159, Jun, 2017 Peer-reviewed
Examining sufficiency and equity in the geographic distribution of physicians in Japan: a longitudinal study

Koji Hara, Tetsuya Otsubo, Susumu Kunisawa, Yuichi Imanaka

BMJ OPEN, 7(3) e013922, Mar, 2017 Peer-reviewed
The determinants of long-term care expenditure and their interactions

Huei-Ru Lin, Tetsuya Otsubo, Noriko Sasaki, Yuichi Imanaka

International Journal of Healthcare Management, 9(4) 269-279, Oct 1, 2016 Peer-reviewed
介護保険利用者の認知症有無と介護サービス利用の関連

林慧茹, 後藤悦, 國澤進, 大坪徹也, 今中雄一

日本医療・病院管理学会誌, 53(Suppl.) 179-179, Sep, 2016
Variations in Healthcare Spending and Quality among Institutions. In Medical Practice Variations/Health Services Research.

T. Otsubo, Y. Imanaka, T. Morishima, N. Sasaki, S. Park, J. Lee

Springer, 383-406, 2016 Peer-reviewed
The effect of centralization of health care services on travel time and its equality

Daisuke Kobayashi, Tetsuya Otsubo, Yuichi Imanaka

HEALTH POLICY, 119(3) 298-306, Mar, 2015 Peer-reviewed
The Effects of Dementia and Long-Term Care Services on the Deterioration of Care- needs Levels of the Elderly in Japan

Huei-Ru Lin, Tetsuya Otsubo, Yuichi Imanaka

MEDICINE, 94(7) e525, Feb, 2015 Peer-reviewed
Regional Variations in In-hospital Mortality, Care Processes, and Spending in Acute Ischemic Stroke Patients in Japan

Tetsuya Otsubo, Etsu Goto, Toshitaka Morishima, Hiroshi Ikai, Chiaki Yokota, Kazuo Minematsu, Yuichi Imanaka

JOURNAL OF STROKE & CEREBROVASCULAR DISEASES, 24(1) 239-251, Jan, 2015 Peer-reviewed
統合失調症外来患者における抗精神病薬大量処方の関連因子広域レセプトデータの活用．

落合英伸, 大坪徹也, 猪飼宏, 今中雄一

日本医療・病院管理学会誌．, 51(4) 183-191, Oct, 2014 Peer-reviewed
医療・介護レセプトデータによる認知症ケアの把握

國澤進, 林慧茹, 猪飼宏, 大坪徹也, 佐々木典子, 下妻晃二郎, 今中雄一

日本医療・病院管理学会誌, 51(Suppl.) 221-221, Aug, 2014
Survival analyses of postoperative lung cancer patients: an investigation using Japanese administrative data

Susumu Kunisawa, Kazuto Yamashita, Hiroshi Ikai, Tetsuya Otsubo, Yuichi Imanaka

SPRINGERPLUS, 3(217), May, 2014 Peer-reviewed
Factors Associated with the Administration of Tissue Plasminogen Activator for Acute Ischemic Stroke

Susumu Kunisawa, Daisuke Kobayashi, Jason Lee, Tetsuya Otsubo, Hiroshi Ikai, Chiaki Yokota, Kazuo Minematsu, Yuichi Imanaka

JOURNAL OF STROKE & CEREBROVASCULAR DISEASES, 23(4) 724-731, Apr, 2014 Peer-reviewed
Association of healthcare expenditures with aggressive versus palliative care for cancer patients at the end of life: a cross-sectional study using claims data in Japan

Toshitaka Morishima, Jason Lee, Tetsuya Otsubo, Yuichi Imanaka

INTERNATIONAL JOURNAL FOR QUALITY IN HEALTH CARE, 26(1) 79-86, Feb, 2014 Peer-reviewed
The relationship between the number of cardiologists and clinical practice patterns in acute heart failure: a cross-sectional observational study

Noriko Sasaki, Susumu Kunisawa, Tetsuya Otsubo, Hiroshi Ikai, Kiyohide Fushimi, Yoshio Yasumura, Takeshi Kimura, Yuichi Imanaka

BMJ OPEN, 4(12) e005988, 2014 Peer-reviewed
Decentralization and centralization of healthcare resources: Investigating the associations of hospital competition and number of cardiologists per hospital with mortality and resource utilization in Japan

Sungchul Park, Jason Lee, Hiroshi Ikai, Tetsuya Otsubo, Yuichi Imanaka

HEALTH POLICY, 113(1-2) 100-109, Nov, 2013 Peer-reviewed
Widening disparity in the geographic distribution of pediatricians in Japan

Hiromasa Sasaki, Tetsuya Otsubo, Yuichi Imanaka

HUMAN RESOURCES FOR HEALTH, 11(1), Nov, 2013 Peer-reviewed
Association of Geographical Factors With Administration of Tissue Plasminogen Activator for Acute Ischemic Stroke

Susumu Kunisawa, Toshitaka Morishima, Naoto Ukawa, Hiroshi Ikai, Tetsuya Otsubo, Koichi B. Ishikawa, Chiaki Yokota, Kazuo Minematsu, Kiyohide Fushimi, Yuichi Imanaka

JOURNAL OF THE AMERICAN HEART ASSOCIATION, 2(5) e000336, Oct, 2013 Peer-reviewed

Misc.

地域医療構想・地域医療計画を効果的に実装するためのデータ解析・活用方法の開発地域医療構想・地域医療計画を効果的に実装するためのデータ活用方法のプロセスと重要領域

今中雄一, 大坪徹也, 廣瀬昌博, 徳永淳也, 本橋隆子, 佐々木典子, 國澤進, 山下和人, 上松弘典, 花木奈央 …

地域医療構想・地域医療計画を効果的に実装するためのデータ解析・活用方法の開発平成28年度総括研究報告書(Web), 14‐179 (WEB ONLY), 2017
A COMPARISON OF CLASSIFICATION AND REGRESSION TREES AND LOGISTIC REGRESSION FOR PREDICTING DEATH OF OLDER LONG-TERM CARE USERS IN JAPAN

H. Lin, N. Sasaki, S. Kunisawa, T. Otsubo, Y. Imanaka

VALUE IN HEALTH, 18(7) A383-A383, Nov, 2015
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)

H-R Lin, T. Otsubo, Y. Imanaka

MEDICINE, 94(11), Mar, 2015
レセプト情報・特定健診等情報データベースの利活用の促進環境に関する研究

今中雄一, 加藤源太, 猪飼宏, 佐々木典子, 國澤進, 大坪徹也

レセプト情報・特定健診等情報データベースの利活用に関する研究平成26年度総括・分担研究報告書, 5‐10, 2015
THE EFFECTS OF WEEKEND AND AFTER-HOURS ADMISSIONS ON MORTALITY IN ACUTE MYOCARDIAL INFARCTION PATIENTS IN JAPAN

Otsubo T, Lee J, IKAI H, Imanaka Y

29th International Society of Quality in Health Care Conference, Geneva, Switzerland, Oct, 2012 Peer-reviewed
国民健康保険世帯保険料の将来推計

後藤悦, 大坪徹也, 濱田啓義, 森島敏隆, 小林大介, 今中雄一

地域医療, 50th (CD-ROM) ROMBUNNO.48, Jul, 2011
データに基づく地域医療政策・病院政策(その1)

大坪徹也, 今中雄一

日本公衆衛生雑誌, 58(5) 391-394, May 15, 2011
心不全診療における費用の構造

猪飼宏, 大坪徹也, 林田賢史, 今中雄一

日本心臓病学会誌, 5(Supplement 1) 111, Aug 14, 2010
Determinants of ratio of charge to cost based on a patient classification cost database: the case of percutaneous coronary intervention and gastrectomy

Otsubo T, Imanaka Y, Lee J, Hayashida K, Matsuda S

25th PCSI Conference, Fukuoka, Japan, Nov, 2009 Peer-reviewed
主要診断群からみた救急医療における入院患者の収益性の実態

大坪徹也, 今中雄一, 松田晋哉

日本医療・病院管理学会誌, 46(Suppl.) 172-172, Sep, 2009
包括払い方式が医療経済及び医療提供体制に及ぼす影響に関する研究包括支払い方式における調整係数と医療機関の診療機能および医療資源消費との関連

今中雄一, 松田晋哉, 関本美穂, 林田賢史, 足立峻吾, 大隈和英, 大坪徹也, 田中将之, LEE Jason, 濱田啓義 …

包括払い方式が医療経済及び医療提供体制に及ぼす影響に関する研究平成20年度総括報告書, 97-117, 2009
包括払い方式が医療経済及び医療提供体制に及ぼす影響に関する研究医療計画で重視される診療パフォーマンスのDPCデータを用いた可視化に関する研究

今中雄一, 松田晋哉, 関本美穂, 林田賢史, 足立峻吾, 大隈和英, 大坪徹也, 田中将之, LEE Jason, 濱田啓義 …

包括払い方式が医療経済及び医療提供体制に及ぼす影響に関する研究平成20年度総括報告書, 118-138, 2009
病院収支に及ぼす医師の勤務継続性の影響

大坪徹也, 林田賢史, 今中雄一

日本医療・病院管理学会誌 = Journal of the Japan Society for Healthcare administration, 45, Oct 1, 2008
Supply-demand balance and diffusion of high-cost medical devices in Japan: an estimation based on casemix classification

Otsubo T, Hayashida K, Imanaka Y

23rd Patient Classification Systems International Conference, Venice, Italy, Nov, 2007 Peer-reviewed
都道府県別高額医療機器の需給バランスと導入傾向に関する一考察

大坪徹也, 林田賢史, 今中雄一

病院管理, 44, Sep 1, 2007
診断群分類を活用した医療サービスのコスト推計に関する研究報告コスト調査のための方法論の検討診断群分類データによる診療活動のプロセス・アウトカム・コスト・機能等の指標化とそれらの多施設間比較に関する研究

今中雄一, 林田賢史, 福田治久, 関本美穂, 村上玄樹, 大坪徹也, 深田雄志, 廣瀬昌博, 石崎達郎

診断群分類を活用した医療サービスのコスト推計に関する研究報告平成18年度研究報告書総括報告書, 41-67, 2007
診断群分類を活用した医療サービスのコスト推計に関する研究コスト調査のための方法論の検討診断群分類データによる診療活動のプロセス・アウトカム・コスト・機能等の指標化とそれらの多施設間比較に関する研究

今中雄一, 林田賢史, 福田治久, 関本美穂, 村上玄樹, 大坪徹也, 深田雄志, 廣瀬昌博, 石崎達郎

診断群分類を活用した医療サービスのコスト推計に関する研究報告平成16-18年度総括報告書, 101-197, 2007

Books and Other Publications

シリーズ生命倫理学17巻医療制度・医療政策・医療経済.

今中雄一, 大日康史, 編, 大坪徹也, 後藤悦, 今中雄一 (Role: Contributor, 医療保険システムの持続性)

丸善出版, 2013
第2 章胆道炎（胆嚢炎・胆管炎）医療経済学の観点から”. 新しい診断と治療のABC7１/消化器10 胆石症・胆道炎・胆道がん

田妻進編, 大隈和英, Jason Lee, 猪飼宏, 大坪徹也, 今中雄一 (Role: Contributor, 胆道炎（胆嚢炎・胆管炎）医療経済学の観点から)

最新医学社, 2011
病院の教科書

今中雄一, 編, 大坪徹也 (Role: Contributor)

医学書院, 2010
Handbook of Health Services Research.

Sobolev B, Eds. Otsubo T, Imanaka Y, Morishima T, Sasaki N, Park S, Lee J (Role: Contributor, Variations in Healthcare Spending and Quality among Institutions.)

Springer US (ISBN: 9781461446569)

Presentations

An Introduction to Japan’s Health Care System.

Otsubo T

International Perspectives on Health Care., Dec 1, 2014, The Dartmouth Institute for Health Policy and Clinical Practice Invited
An Introduction to Japan's Health Care System: Systematic Approaches and Issues in a Super-Aging Society.

Otsubo T

Cardiovascular Program Rounds., Nov 12, 2014, Institute for Clinical Evaluative Sciences Invited
Health Care System in Japan.

Otsubo T

International Perspectives on Health Care., May 22, 2014, The Dartmouth Institute for Health Policy and Clinical Practice Invited
An introduction of Japan’s health care system: Is this a sustainable system in a super-aging society?

Otsubo T

International Seminar., Feb 26, 2014, The Dartmouth Institute for Health Policy and Clinical Practice Invited
Case volume or resource volume, which really matters? Looking into mechanisms of variation in quality of health care.

Imanaka Y, Otsubo T, Park S, Lee J, Sasaki N

Wennberg International Collaborative., Oct 16, 2013 Invited
医師の男女別・専門別の地域分布の実態と影響

日本医療・病院管理学会第309回例会, Nov 7, 2012, 日本医療・病院管理学会
Determinants of quality, cost and access variation in cerebral and cardiovascular care.

Imanaka Y, Otsubo T, Lee J, Park S, Ikai H

Wennberg International Collaborative., Sep, 2012 Invited
データに基づく医療政策・計画最前線と将来展開医療・介護システムの評価と計画京都府あんしん医療制度プロジェクトの成果と可能性

第82 回日本衛生学会学術総会, Mar 24, 2012, 日本衛生学会
Practice Variation among Providers and Regions in Japan: Status, Cause and Policy.

Imanaka Y, Otsubo T, Lee J, Park S

Wennberg International Collaborative., Sep, 2011 Invited
健康増進・地域医療・医療費適正化計画とデータ活用生活習慣病の予防・治療システムの戦略的構築へ急性心筋梗塞における医療評価指標と医療資源との関係死亡率と再入院率

日本衛生学会, 2011, 第81 回日本衛生学会学術総会
急性期循環器系疾患における診療圏から医療圏への接近

第48 回日本医療・病院管理学会学術総会, 2010, 日本医療・病院管理学会
可視化と医療(II)

日本医療・病院管理学会例会, 2009, 日本医療・病院管理学会

Research Projects

Research on the effects of hospital competition and collaboration on hospital management and quality of care in Japan

Grants-in-Aid for Scientific Research, Grant-in-Aid for Young Scientists (B), Japan Society for the Promotion of Science, Apr, 2017 - Mar, 2020

Otsubo Tetsuya
How to develop financially sustainable and regionally equitable systems of quality health and health care under limited resources of super-ageing societies

Grants-in-Aid for Scientific Research Grant-in-Aid for Scientific Research (A), Grant-in-Aid for Scientific Research (A), Japan Society for the Promotion of Science, Apr, 2016 - Mar, 2019

IMANAKA Yuichi
Quality, cost and access in health care systems and their relationships to resources

Grants-in-Aid for Scientific Research Grant-in-Aid for Scientific Research (A), Grant-in-Aid for Scientific Research (A), Japan Society for the Promotion of Science, Apr, 2013 - Mar, 2016

IMANAKA Yuichi, NAGASE Keisuke, HAYASHIDA Kenshi, HIROSE Masahiro, MURAKAMI Genki, OTSUBO Tetsuya, TOKUNAGA Junya
Research on the quantitative evaluation of regional healthcare systems in various countries and its applications in Japan

Grants-in-Aid for Scientific Research Grant-in-Aid for Young Scientists (B), Grant-in-Aid for Young Scientists (B), Japan Society for the Promotion of Science, Apr, 2013 - Mar, 2016

TETSUYA OTSUBO
Assessment and Mechanism Analysis on Networking, Effectiveness, Efficiency and Equity in Regional Systems of Medical, Health and Long-term Care

Grants-in-Aid for Scientific Research Grant-in-Aid for Scientific Research (A), Grant-in-Aid for Scientific Research (A), Japan Society for the Promotion of Science, 2010 - 2012

IMANAKA Yuichi, HIROSE Masahiro, NAGASE Keisuke, HAYASHIDA Kenshi, IKAI Hiroshi, MURAKAMI Genki, OTSUBO Tetsuya, TOKUNAGA Junya

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