2022 Fiscal Year Annual Research Report
Cost, Length of Stay, and Health Outcome: A Comprehensive Evaluation of Prospective Payment System in Japan
| Project/Area Number |
19K13729
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| Research Institution | Waseda University |
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Principal Investigator |
富 蓉 早稲田大学, 商学学術院, 専任講師 (70805259)
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| Project Period (FY) |
2019-04-01 – 2023-03-31
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| Keywords | Hybrid Payment System |
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| Outline of Annual Research Achievements |
This project aims to assess the impacts of the 2003 adoption of Diagnostic Procedure Combination Per-Diem Payment System (DPC/PDPS) on medical costs, hospital operational efficiency, and healthcare quality. Focusing on before-after changes of the 82 special functioning hospitals enrolled mandatorily into the program in 2003, we examine whether hospitals allocate more resources to procedures paid outside of DPC/PDPS, and derive a monetary gain/loss for such reallocation; assess a possible improvement of operational efficiency in terms of decline in length of stay (LOS), and how the improvement may vary as LOS extends; clarify a potential change in healthcare quality in terms of change in health outcome at discharge.
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