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Empirical study on DIP payment reform for rehabilitation inpatients based on interrupted time series analysis
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Luo WANG1, Lun LUO2, Shu-lei LI1, Yi LIU1, Xiao-yuan ZHOU1
Modern Preventive Medicine | 2025, 52(11) : 2040 - 2045
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Modern Preventive Medicine | 2025, 52(11): 2040-2045
Health Policy and Management
Empirical study on DIP payment reform for rehabilitation inpatients based on interrupted time series analysis
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Luo WANG1, Lun LUO2, Shu-lei LI1, Yi LIU1, Xiao-yuan ZHOU1
Affiliations
  • Department of Health Policy and Management, West China School of Public Health / West China Fourth Hospital, Sichuan University, Chengdu, Sichuan 610041, China
Published: 2025-06-10 doi: 10.20043/j.cnki.MPM.202501173
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Objective

To investigate the implementation effects of the DIP payment reform on rehabilitation inpatients, providing empirical support for assessing the applicability of current medical insurance payment reform to rehabilitation inpatients.

Methods

An interrupted time series analysis was conducted using data from the discharge summaries of rehabilitation inpatients at a large tertiary public hospital in Chengdu from 2019 to 2023.

Results

A total of 2 143 rehabilitation inpatient cases were included in this study. After the reform, indicators reflecting the operational efficiency of the rehabilitation department showed a positive trend, with the average monthly inpatient visits steadily increasing (β = 0.395, P < 0.001). The average length of stay decreased but not significantly (β < 0, P > 0.05). The treatment costs, reflecting the technical labor value of rehabilitation physicians, significantly decreased (β = -45.251, P < 0.05), while drug costs increased (β = 2.36, P < 0.05). The changes in patient financial burden indicators were minimal, with out-of-pocket expenses showing a slight increase (β = 1.818, P > 0.05).

Conclusion

The results indicate that the DIP payment reform has weak control over the length of stay for rehabilitation patients. After the reform, the out-of-pocket expenses for patients did not decrease, and their medical needs were not adequately met. Future efforts should focus on establishing a patient demand-oriented payment method for rehabilitation medical insurance.

Diagnosis-related group payment  /  Rehabilitation  /  Medical expenses  /  Interrupted time series analysis
Luo WANG, Lun LUO, Shu-lei LI, Yi LIU, Xiao-yuan ZHOU. Empirical study on DIP payment reform for rehabilitation inpatients based on interrupted time series analysis[J]. Modern Preventive Medicine, 2025 , 52 (11) : 2040 -2045 . DOI: 10.20043/j.cnki.MPM.202501173
Year 2025 volume 52 Issue 11
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doi: 10.20043/j.cnki.MPM.202501173
  • Receive Date:2025-01-13
  • Online Date:2026-03-18
  • Published:2025-06-10
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  • Received:2025-01-13
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    Department of Health Policy and Management, West China School of Public Health / West China Fourth Hospital, Sichuan University, Chengdu, Sichuan 610041, China
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表12种不同金属材料的力学参数

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Number of
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鹅膏菌科Amanitaceae 2 11 5.26 鹅膏菌属 Amanita 10 4.78
小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39
多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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