Horiguchi Hiromasa 堀口裕正

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HORIGUCHI Hiromasa 堀口裕正

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Researcher Number	50401104
Other IDs
Affiliation (Current)	2025: 独立行政法人国立病院機構本部(総合研究センター), 診療情報分析部, 副部長
Affiliation (based on the past Project Information) *help	2016 – 2024: 独立行政法人国立病院機構本部(総合研究センター), 診療情報分析部, 副部長 2015: 独立行政法人国立病院機構本部(総合研究センター), その他部局等, 研究員 2013 – 2014: 独立行政法人国立病院機構本部(総合研究センター), その他部局等, 主席研究員 2012: 東京大学, 医学部附属病院, 助教 2012: 東京大学, 医学部附属病院, 特任准教授 … More 2010 – 2012: 東京大学, 医学部附属病院, 特任助教 2008: The University of Tokyo, 医学系研究科, 特任助教 2008: The University of Tokyo, 医学部附属病院, 特任助教 2007: The University of Tokyo, 医学部附属病院, 寄附講座教員 Less
Review Section/Research Field	Principal Investigator Medical sociology Except Principal Investigator Basic Section 58010:Medical management and medical sociology-related / Basic Section 58050:Fundamental of nursing-related / Medical and hospital managemen / Medical pharmacy / Public health/Health science
Keywords	Principal Investigator DPCデータ / 医療情報 / 機械学習 / 医療政策 / リスクマネジメント / 社会医学 Except Principal Investigator 臨床疫学 / 看護管理 / 看護配置 / DPCデータ … More / Nurse outcome / Patient outcome / Administrative Data / 専門・認定看護師 / 医療ビッグデータ / リアルワールドデータ / 病棟アクティビティ / 有害事象 / 看護必要度 / 看護師勤務時間 / DPC / 病院管理 / 病棟管理 / 患者間違い / 薬剤間違い / 転倒転落 / nurse-to-patient ratio / 看護管理学 / 日常生活活動 / 手術 / 高齢患者 / 大規模データベース / 医療の質 / データベース研究 / DPC・レセプトデータ / 病院機能分化 / 病院・医療管理 / 政策研究 / 社会医学 / 機能分化 / 慢性関節リウマチ / 病床機能分化 / 外来分析 / スウェーデン / 新薬へのスイッチ / 降圧剤 / 先発医薬品 / スイッチ現象 / 後発医薬品 / 臨床疫学研究 / 日本版診断群分類 / 診断群分類 / データベース / 疫学 Less

看護管理情報とPatient/Nurse Outcomeに関するエビデンス創出のためのPlatform開発
- Principal Investigator
  
  森脇睦子
- Project Period (FY)
  2023 – 2025
- Research Category
  
  Grant-in-Aid for Scientific Research (B)
- Review Section
  
  Basic Section 58050:Fundamental of nursing-related
- Research Institution
  Tokyo Medical and Dental University
Examination of predictive factors for postoperative decline in daily living activities in elderly patients
- Principal Investigator
  
  Fukuda Taeko
- Project Period (FY)
  2020 – 2023
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Review Section
  
  Basic Section 58010:Medical management and medical sociology-related
- Research Institution
  University of Tsukuba
A study on the busyness of wards and occurrence of adverse events using daily patient conditions and medical information
- Principal Investigator
  
  Moriwaki Mutsuko
- Project Period (FY)
  2020 – 2022
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Review Section
  
  Basic Section 58050:Fundamental of nursing-related
- Research Institution
  Tokyo Medical and Dental University
Evaluation of effectiveness and quality of medical services using an integrated database of DPC and laboratory data
- Principal Investigator
  
  Yasunaga Hideo
- Project Period (FY)
  2020 – 2022
- Research Category
  
  Grant-in-Aid for Scientific Research (B)
- Review Section
  
  Basic Section 58010:Medical management and medical sociology-related
- Research Institution
  The University of Tokyo
多施設大規模データベースを用いた糖尿病腎症重症化の要因に関する研究
- Principal Investigator
  
  小段真理子
- Project Period (FY)
  2019 – 2021
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Review Section
  
  Basic Section 58010:Medical management and medical sociology-related
- Research Institution
  National Hospital Organization Headquarters
9999
- Principal Investigator
  
  Moriwaki Mutsuko
- Project Period (FY)
  2017 – 2019
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Research Field
  
  Medical and hospital managemen
- Research Institution
  Tokyo Medical and Dental University
Evaluation of effectiveness and quality of healthcare services using DPC data and laboratory data
- Principal Investigator
  
  Yasunaga Hideo
- Project Period (FY)
  2017 – 2019
- Research Category
  
  Grant-in-Aid for Scientific Research (B)
- Research Field
  
  Medical and hospital managemen
- Research Institution
  The University of Tokyo
Impact of therapeutic substitution on sales of medicines in Japan
- Principal Investigator
  
  Imai Shinobu
- Project Period (FY)
  2015 – 2017
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Research Field
  
  Medical pharmacy
- Research Institution
  National Hospital Organization Headquarters
development of decision support system using a large-scale DPC data setPrincipal Investigator
- Principal Investigator
  
  Horiguchi Hiromasa
- Project Period (FY)
  2012 – 2015
- Research Category
  
  Grant-in-Aid for Young Scientists (A)
- Research Field
  
  Medical sociology
- Research Institution
  National Hospital Organization Headquarters
  The University of Tokyo
Clinical epidemiological studies using the DPC database
- Principal Investigator
  
  YASUNAGA Hideo
- Project Period (FY)
  2010 – 2012
- Research Category
  
  Grant-in-Aid for Scientific Research (B)
- Research Field
  
  Public health/Health science
- Research Institution
  The University of Tokyo
The possibility of improving the patient safety system in Japan using a penal provision against injury by gross negligencePrincipal Investigator
- Principal Investigator
  
  HORIGUCHI Hiromasa
- Project Period (FY)
  2007 – 2008
- Research Category
  
  Grant-in-Aid for Young Scientists (B)
- Research Field
  
  Medical sociology
- Research Institution
  The University of Tokyo

All 2023 2022 2019 2017 2016 2015 2013 2012 2008 Other

All Journal Article Presentation Other

[Journal Article] A formula for predicting postoperative functional decline using routine medical data in elderly patients after hip fracture surgery2023
- Author(s)
  Taeko Fukuda, Shinobu Imai, Kazushi Maruo, Hiromasa Horiguchi
- Journal Title
  
  Current Orthopaedic Practice
  
  Volume: 34
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-20K10311
[Journal Article] A formula for predicting postoperative functional decline using routine medical data in elderly patients after hip fracture surgery2023
- Author(s)
  Fukuda Taeko、Imai Shinobu、Maruo Kazushi、Horiguchi Hiromasa
- Journal Title
  
  Current Orthopaedic Practice
  
  Volume: 34 Issue: 4 Pages: 208-214
- DOI
  10.1097/bco.0000000000001208
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-20K10311
[Journal Article] A prediction model for low functional status after colorectal cancer surgery: A retrospective cohort study using administrative data2023
- Author(s)
  Fukuda Taeko、Imai Shinobu、Maruo Kazushi、Horiguchi Hiromasa
- Journal Title
  
  International Journal of Surgery Open
  
  Volume: 56 Pages: 100634-100634
- DOI
  10.1016/j.ijso.2023.100634
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-20K10311
[Journal Article] 医療機関を多数保有する組織でのIT化と医療情報部門の今後2016
- Author(s)
  堀口裕正
- Journal Title
  
  月刊新医療 2016年5月号
  
  Volume: ５月号 Pages: 55-58
- Data Source
  KAKENHI-PROJECT-24689025
[Journal Article] Japanese Severity Score for Acute Pancreatitis Well Predicts In-hospital Mortality: A Nationwide Survey of 17,901 Cases2013
- Author(s)
  Hamada T, Yasunaga H, Nakai Y, IsayamaH, Horiguchi H, Fushimi K, Ohe K, KoikeK
- Journal Title
  
  Journal of Gastroenterology
- Data Source
  KAKENHI-PROJECT-22390131
[Journal Article] Does Mechanical Bowel Preparation Improve Quality of Laparoscopic Nephrectomy? Propensity Score-matched Analysis in Japanese Series2013
- Author(s)
  Sugihara T, Yasunaga H, Horiguchi H, Fujimura T, Nishimatsu H, Ohe K, Matsuda S, Fushimi K, Kattan MW, Homma Y
- Journal Title
  
  Urology
  
  Volume: 81(1) Pages: 74-9
- Data Source
  KAKENHI-PROJECT-22390131
[Journal Article] A Nomogram Predicting Severe Adverse Events after Ureteroscopic Lithotripsy: 12,372 Patients in Japanese National Series.2013
- Author(s)
  Sugihara T, Yasunaga H, Horiguchi H, Nishimatsu H, Kume H, Ohe K, Matsuda S, Fushimi K, Homma Y.
- Journal Title
  
  BJU Int.
  
  Volume: 111(3) Pages: 459-66
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-22390131
[Journal Article] A User-friendly Tool to Transform Large Scale Administrative Data into Wide Table Format using a MapReduce Program with a Pig Latin based Script.2013
- Author(s)
  Horiguchi H, Yasunaga H, Hashimoto H, Ohe K. .
- Journal Title
  
  BMC Medical Informatics and Decision Making
  
  Volume: 12 Pages: 151-151
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-22390131
[Journal Article] Does Mechanical Bowel Preparation Improve Quality of Laparoscopic Nephrectomy? Propensity Score-matched Analysis in Japanese Series.2013
- Author(s)
  Sugihara T, Yasunaga H, Horiguchi H, Fujimura T, Nishimatsu H, Ohe K, Matsuda S, Fushimi K, Kattan MW, Homma Y.
- Journal Title
  
  Urology
  
  Volume: 81(1) Pages: 74-9
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-22390131
[Journal Article] A Nomogram Predicting Severe Adverse Events after Ureteroscopic Lithotripsy:12,372 Patients in Japanese NationalSeries2013
- Author(s)
  Sugihara T, Yasunaga H, Horiguchi H,Nishimatsu H, Kume H, Ohe K, Matsuda S, Fushimi K, Homma Y.
- Journal Title
  
  BJU Int
  
  Volume: 111(3) Pages: 459-66
- Data Source
  KAKENHI-PROJECT-22390131
[Journal Article] Rarity of severe bleeding and perforation in endoscopic ultrasound-guided fine needle aspiration for submucosal tumors2013
- Author(s)
  Hamada T, Yasunaga H, Nakai Y, IsayamaH, Horiguchi H, Matsuda S, Fushimi K, Koike K.
- Journal Title
  
  Digestive Diseases Science
  
  Volume: 58 Issue: 9 Pages: 2634-2638
- DOI
  10.1007/s10620-013-2717-7
- Data Source
  KAKENHI-PROJECT-22390131
[Journal Article] Incidence and Risk Factors for Mortality of Vertebral Osteomyelitis: A Retrospective Analysis Using the Japanese Diagnosis Procedure Combination Database2013
- Author(s)
  Akiyama T, Chikuda H, Yasunaga H, Horiguchi H, Fushimi K, Saita K
- Journal Title
  
  BMJ Open
  
  Volume: 3
- Data Source
  KAKENHI-PROJECT-22390131
[Journal Article] Impact of surgical intervention timing on Fournier’s gangrene case fatality: an analysis of 379 cases.2012
- Author(s)
  Sugihara T, Yasunaga H, Horiguchi H, Fujimura T, Ohe K, Matsuda S, Fushimi K, Homma Y.
- Journal Title
  
  BJU Int.
  
  Volume: 110(11)
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-22390131
[Journal Article] In-hospital outcomes and cost assessment between bipolar versus monopolar transurethral resection of the prostate.2012
- Author(s)
  Sugihara T, Yasunaga H, Horiguchi H, Nakamura M, Nishimatsu H, Kume H, Ohe K, Matsuda S, Homma Y.
- Journal Title
  
  Journal of Endourology
  
  Volume: 26 Pages: 1053-8
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-22390131
[Journal Article] Variation in cancer surgical outcomes associated with physician and nurse staffing: a retrospective observational study using the Japanese Diagnosis Procedure Combination Database.2012
- Author(s)
  Yasunaga H, Hashimoto H, Horiguchi H, Miyata H, Matsuda S
- Journal Title
  
  BMC Health Serv Res
  
  Volume: 12 Pages: 129-129
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-22390131
[Journal Article] A User-friendly Tool to Transform Large Scale Administrative Data into Wide Table Format using a MapReduce Program with a Pig Latin based Script2012
- Author(s)
  Horiguchi H, Yasunaga H, Hashimoto H, Ohe K
- Journal Title
  
  BMC Medical Informaticsand Decision Making
  
  Volume: 12 Pages: 151-151
- Data Source
  KAKENHI-PROJECT-22390131
[Journal Article] Relationship between hospital volume and operative mortality for liver resection: data from the Japanese Diagnosis Procedure Combination database.2012
- Author(s)
  Yasunaga H, Horiguchi H, Matsuda S, Fushimi K, Hashimoto H, Ohe K, Kokudo N.
- Journal Title
  
  Hepatol Res
  
  Volume: 42(11) Pages: 1073-1080
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-22390131
[Journal Article] Regional, institutional and individual factors affecting selection of minimally invasive nephroureterectomy in Japan: A national database analysis2012
- Author(s)
  Sugihara T, Yasunaga H, Horiguchi H, Fujimura T, Nishimatsu H, Tsuru N, Kazuo S, Ohe K, Fushimi K, Homma Y
- Journal Title
  
  Int J Urol
  
  Volume: 12 Issue: 7 Pages: 1-6
- DOI
  10.1111/iju.12031
- NAID
  10031190517
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-22390131, KAKENHI-PROJECT-23650302
[Journal Article] Effect and Cost of Treatment for Acute Pancreatitis With or Without Gabexate Mesylate: A Propensity Score Analysis Using a Nationwide Administrative Database2012
- Author(s)
  Yasunaga H, Horiguchi H, Hashimoto H, Matsuda S, Fushimi K
- Journal Title
  
  Pancreas
- Data Source
  KAKENHI-PROJECT-22390131
[Journal Article] The Burden of Clostridium difficile–Associated Disease following Digestive Tract Surgery in Japan.2012
- Author(s)
  Yasunaga H, Horiguchi H, Hashimoto H, Matsuda S, Fushimi K.
- Journal Title
  
  J Hosp Infect.
  
  Volume: 82(3) Pages: 175-80
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-22390131
[Journal Article] Risk factors affecting in-hospital mortality after hip fracture: retrospective analysis using the Japanese Diagnosis Procedure Combination database.2012
- Author(s)
  Shoda N, Yasunaga H, Horiguchi H, Kadono Y, Matsuda S, Tanaka S.
- Journal Title
  
  BMJ Open
  
  Volume: 2(3)
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-22390131
[Journal Article] Management trends, angioembolization performance and multiorgan injury indicators of renal trauma from Japanese administrative claims data base2012
- Author(s)
  Toru Sugihara, Hideo Yasunaga, Hiromasa Horiguchi, et al.
- Journal Title
  
  International Journal of Urology
  
  Volume: 19(6) Issue: 6 Pages: 559-63
- DOI
  10.1111/j.1442-2042.2012.02978.x
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-22390131, KAKENHI-PROJECT-23650302
[Journal Article] In-hospital outcomes and cost assessment between bipolar versus monopolar transurethral resection of the prostate2012
- Author(s)
  Toru Sugihara, Hideo Yasunaga, Hiromasa Horiguchi, et al.
- Journal Title
  
  Journal of Endourology
  
  Volume: 26 Issue: 8 Pages: 1053-1058
- DOI
  10.1089/end.2011.0592
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-22390131
[Journal Article] Renal haemorrhage risk after extracorporeal shockwave lithotripsy: results from the Japanese Diagnosis Procedure Combination Database.2012
- Author(s)
  Sugihara T, Yasunaga H, Horiguchi H, Nishimatsu H, Hirano Y, Matsuda S, Homma Y.
- Journal Title
  
  BJU Int.
  
  Volume: 110(8 Pt B)
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-22390131
[Journal Article] Risk factors affecting in-hospital mortality after hip fracture: retrospective analysis using the Japanese Diagnosis Procedure Combination database2012
- Author(s)
  Shoda N, Yasunaga H, Horiguchi H, Kadono Y, Matsuda S, Tanaka S
- Journal Title
  
  BMJ Open
  
  Volume: 2(3)
- Data Source
  KAKENHI-PROJECT-22390131
[Journal Article] Relationship between hospital volume and operative mortality for liver resection: data from the Japanese Diagnosis Procedure Combination database2012
- Author(s)
  Yasunaga H, Horiguchi H, Matsuda S, Fushimi K, Hashimoto H, Ohe K, Kokudo N
- Journal Title
  
  Hepatol Res
  
  Volume: 42(11) Pages: 1073-1080
- Data Source
  KAKENHI-PROJECT-22390131
[Journal Article] The Burden of Clostridium difficile-Associated Disease following Digestive Tract Surgery in Japan2012
- Author(s)
  Yasunaga H, Horiguchi H, Hashimoto H, Matsuda S, Fushimi K
- Journal Title
  
  J Hosp Infect
  
  Volume: 82(3) Pages: 175-80
- Data Source
  KAKENHI-PROJECT-22390131
[Journal Article] In-hospital outcomes and cost assessment between bipolar versus monopolar transurethral resection of the prostate2012
- Author(s)
  Sugihara T, Yasunaga H, Horiguchi H, Nakamura M, Nishimatsu H, Kume H, Ohe K, Matsuda S, Homma Y
- Journal Title
  
  Journal of Endourology
  
  Volume: 26 Pages: 1053-8
- Data Source
  KAKENHI-PROJECT-22390131
[Journal Article] Renal haemorrhage risk after extracorporeal shockwave lithotripsy: results from the Japanese Diagnosis Procedure Combination Database2012
- Author(s)
  Sugihara T, Yasunaga H, Horiguchi H, Nishimatsu H, Hirano Y, Matsuda S, Homma Y.
- Journal Title
  
  BJU Int
  
  Volume: 110(8 Pt B)
- Data Source
  KAKENHI-PROJECT-22390131
[Journal Article] Wide Range and Variations in Minimally Invasive Surgery For Renal Malignancy in Japan: A Population Based Analysis2012
- Author(s)
  Sugihara T, Yasunaga H, Horiguchi H, Tsuru N, Fujimura T, Nishimatsu H, Kume H, Ohe K, Matsuda S, Fushimi K, Homma Y
- Journal Title
  
  International Journal of Clinical Oncology
  
  Volume: 18 Issue: 6 Pages: 1070-1077
- DOI
  10.1007/s10147-012-0500-y
- Data Source
  KAKENHI-PROJECT-22390131
[Journal Article] -医療安全教育の変革のために- 原理・原則4 報告の仕方2008
- Author(s)
  小林美亜, 堀口裕正
- Journal Title
  
  看護 60(14)
  
  Pages: 34-40
- Data Source
  KAKENHI-PROJECT-19790370
[Journal Article] -医療安全教育の変革のために-原理・原則4報告の仕方2008
- Author(s)
  小林美亜, 堀口裕正
- Journal Title
  
  看護 60(14)
  
  Pages: 34-40
- Data Source
  KAKENHI-PROJECT-19790370
[Presentation] 病棟のアクテビティと転倒転落発生に関する分析～転倒転落発生を病棟環境要因の視点からの検討～2022
- Author(s)
  森脇睦子、林田賢史、長田恵子、堀口裕正、梯正之
- Organizer
  第17回医療の質・安全学会学術集会
- Data Source
  KAKENHI-PROJECT-20K10656
[Presentation] Validity of Administrative Database-based Quality Indicator of Antibiotic Stewardship2019
- Author(s)
  Hayato Yamana, Sachiko Ono, Hiromasa Horiguchi, Taisuke Jo, Kiyohide Fushimi, Hideo Yasunaga
- Organizer
  AcademyHealth
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-17H04141
[Presentation] 腹部悪性腫瘍手術患者における術前血糖管理：国立病院機構診療情報集積基盤の活用2017
- Author(s)
  山名隼人、川島直美、中寺昌也、堀口裕正、大野幸子、康永秀生、伏見清秀
- Organizer
  第71回国立病院総合医学会
- Data Source
  KAKENHI-PROJECT-17H04141
[Presentation] 国立病院機構における電子カルテデータ標準化等のためのIT基盤構築事業の現状2015
- Author(s)
  堀口裕正
- Organizer
  第69回国立病院総合医学会
- Place of Presentation
  札幌市教育文化会館
- Year and Date
  2015-10-08
- Invited
- Data Source
  KAKENHI-PROJECT-24689025
[Presentation] 機械学習を用いたレセプトデータの主傷病分類の精度検討2012
- Author(s)
  堀口裕正, 岡田千春, 阿南誠, 海野裕也, 伏見清秀, 村中光
- Organizer
  第32回医療情報学連合大会
- Place of Presentation
  新潟市
- Year and Date
  2012-11-22
- Data Source
  KAKENHI-PROJECT-24689025
[]
[]

1. YASUNAGA Hideo (90361485)

# of Collaborated Projects: 3 results

# of Collaborated Products: 28 results
2. Imai Shinobu (50608750)

# of Collaborated Projects: 3 results

# of Collaborated Products: 3 results
3. Moriwaki Mutsuko (40437570)

# of Collaborated Projects: 3 results

# of Collaborated Products: 1 results
4. 伏見清秀 (50270913)

# of Collaborated Projects: 3 results

# of Collaborated Products: 0 results
5. 鳥羽三佳代 (60463923)

# of Collaborated Projects: 2 results

# of Collaborated Products: 0 results
6. 林田賢史 (80363050)

# of Collaborated Projects: 2 results

# of Collaborated Products: 1 results
7. Fukuda Taeko (40228911)

# of Collaborated Projects: 1 results

# of Collaborated Products: 3 results
8. 笠井祥子 (60752904)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
9. 小段真理子 (20746440)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
10. 山内和志 (50321831)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
11. 梯正之 (80177344)

# of Collaborated Projects: 1 results

# of Collaborated Products: 1 results
12. 緒方泰子 (60361416)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
13. 恒松美輪子 (80704874)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
14. Sundell Karolina Andersson

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results

Horiguchi Hiromasa 堀口 裕正

HORIGUCHI Hiromasa 堀口 裕正

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development of decision support system using a large-scale DPC data setPrincipal Investigator

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The possibility of improving the patient safety system in Japan using a penal provision against injury by gross negligencePrincipal Investigator

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[Journal Article] A formula for predicting postoperative functional decline using routine medical data in elderly patients after hip fracture surgery2023

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[Journal Article] A formula for predicting postoperative functional decline using routine medical data in elderly patients after hip fracture surgery2023

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[Journal Article] A prediction model for low functional status after colorectal cancer surgery: A retrospective cohort study using administrative data2023

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[Journal Article] 医療機関を多数保有する組織でのIT化と医療情報部門の今後2016

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Data Source

Horiguchi Hiromasa 堀口裕正

HORIGUCHI Hiromasa 堀口裕正