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南京医科大学学报（社会科学版）京医科大学学报（社会科学版） 第6期 总第125期
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Journal of Nanjing Medical University（Social Sciences）of Nanjing Medical University（Social Sciences） 2024年12月
Journal
［5］ 朱星月，林腾飞，米源，等. 间断时间序列模型及其在卫 对DIP患者住院费用影响——基于中断时间序列分析
生政策干预效果评价中的应用［J］. 中国药事，2018，32 ［J］. 中国医院管理，2024，44（5）：36-39
（11）：1531-1540 ［9］ 肖桂真，杨蕾，吴优优，等. 中断时间序列分析在基本医
［6］ 赵梦园，林坤河，熊英贝，等. DIP支付方式下医疗机构 疗保险支付方式改革效果评估中的应用研究［J］. 中国
医保支付率及影响因素分析［J］. 中国卫生政策研究， 卫生统计，2024，41（3）：360-364
2024，17（6）：40-46 ［10］赵璐，戚雅婷，李如玉，等. 按病种分值付费改革背景
［7］ 李祥飞，张振. 医保支付方式改革助推“医保患”三方 下医务人员政策认知、感知价值对行为规范的影响
共赢的政策机制研究［J］. 南京医科大学学报（社会科 ［J］. 南京医科大学学报（社会科学版），2024，24（5）：
学版），2023，23（3）：205-211 516-521
［8］ 陈丽丽，王超群，杨莹，等. 公立医院科室绩效方案改革 （本文编辑：姜 鑫）

Study on the effect of DIP payment reform on hospitalization expenses

of stroke patients based on interrupted time series model

ZHANG Mingmin
School of Humanities and Management，Wannan Medical College，Wuhu 241000，China
Abstract：Using the interrupt time series model，this paper analyzes the trend change in hospitalization
expenses of stroke patients before and after the reform of diagnosis⁃intervention packet（DIP） payment. The
slope of average hospitalization expenses shows a continuous upward trend before the DIP payment reform，but
declined after the reform. Similarly，the slopes of treatment fees，diagnostic fees，and drug costs also show a
significant decrease compared to the time before the reform. The DIP payment reform has effectively reduced the
average total hospitalization cost of the two types of medical insurance patients. The short⁃term policy effect is
significant on employees’medical insurance patients，while the long⁃term policy effect on residents’medical
insurance patients is more distinct. The long⁃term and short⁃term effects of DIP payment reform have resulted in
significant reductions in the treatment and drug costs for surgical patients，along with the diagnosis and drug
costs of non ⁃ surgical patients. DIP payment reform can effectively constrain the unreasonable increase of
hospitalization expenses for stroke patients，while the impact on the expenses of different types of patients
varies. This study suggests continuously deepening the payment reform，setting up a reasonable incentive
mechanism，and strengthening the supervision of medical service quality in combination with clinical pathway
management.
Key words：interrupted time series；diagnosis⁃intervention packet；stroke；hospitalization expenses