Analysis of Hospital Expenses and Influencing Factors of Cerebrovascular Disease Interventional Therapy Under the Background of Medical Insurance Payment Method Reform

doi:10.19546/j.issn.1674-3830.2025.5.011

China Health Insurance ›› 2025, Vol. 0 ›› Issue (5) : 78-87. DOI: 10.19546/j.issn.1674-3830.2025.5.011

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Abstract

Objective: The paper analyzes the changes and influencing factors of hospitalization expenses in patients with cerebrovascular disease undergoing interventional therapy under the background of DRG payment reform, and provides references for reasonable control of hospitalization expenses in patients with cerebrovascular disease undergoing interventional therapy. Methods: The basic medical records and the details of hospitalization expense of 865 patients with cerebrovascular disease undergoing interventional treatment in a Grade-III hospital from January 1, 2020 to December 31, 2024 in Shanxi Province were collected., The structural changes between the average hospitalization expenses and various expenses were analyzed by structural variation degree method. Interrupted time series analysis (ITSA) was used to analyze the trend of hospitalization costs of patients undergoing interventional therapy for cerebrovascular diseases from 2020 to 2024, and univariate analysis and generalized linear regression model were used to analyze the influencing factors of hospitalization costs of patients undergoing interventional therapy for cerebrovascular diseases after the actual operation of DRG. Results: The overall structural variation degree of each hospitalization cost was 12.05%, and the items with the largest structural contribution rate were health materials cost (43.09%) and medicine cost (29.77%), and the cumulative contribution rate was 72.86%. ITSA results showed that the overall hospitalization cost of patients with cerebrovascular disease undergoing interventional therapy decreased significantly, and the average monthly decrease was 154.82 yuan during the actual operation of DRG. The results of generalized linear regression showed that the treatment site, overall planning area, hospitalization days and admission status were the factors affecting the hospitalization cost of patients with cerebrovascular disease undergoing interventional therapy. Conclusion: The DRG payment reform can effectively control the average hospitalization cost of patients, but the cost structure still needs to be further optimized. Hospitals should consider the impact of treatment site, overall planning area and admission status on the cost, and reasonably control the number of days in hospital, so as to further reduce the cost of cerebrovascular disease interventional treatment and the economic burden of patients.

Key words

DRG / cerebrovascular interventional therapy / structural variation method / interrupted time series / hospitalization expenses

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Analysis of Hospital Expenses and Influencing Factors of Cerebrovascular Disease Interventional Therapy Under the Background of Medical Insurance Payment Method Reform[J]. China Health Insurance. 2025, 0(5): 78-87 https://doi.org/10.19546/j.issn.1674-3830.2025.5.011

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