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DRG支付对喀什地区COPD患者住院天数及费用的影响研究
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          杨嘉乐 ,王宁宁 ,艾则孜江·艾尔肯 ,连翎凯 ,吕新一 ,柳鹏程 ,姚文兵 (1.中国药科大学国际医药商学院,
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          南京 211198;2.新疆维吾尔自治区中医医院人事科,乌鲁木齐 830002;3.新疆药物临床研究重点实验室,
          乌鲁木齐 830054;4.新疆维吾尔自治区医疗保障局,乌鲁木齐 830037;5.江苏第二师范学院商学院,南京
          211200)
          中图分类号  R95      文献标志码  A      文章编号  1001-0408(2026)08-0991-07
          DOI  10.6039/j.issn.1001-0408.2026.08.04

          摘  要  目的  分析疾病诊断相关分组(DRG)支付方式改革(以下简称“DRG改革”)对喀什地区慢性阻塞性肺疾病(COPD)患者
          住院天数及费用的影响,为地方医保支付方式优化提供本土化实证依据。方法  基于新疆维吾尔自治区医疗保障局的住院结算数
          据库,选取喀什地区17家医疗机构的COPD住院患者在2022年1月1日至2024年12月31日的结算数据。比较DRG改革前后患
          者住院天数及费用的整体变化;采用间断时间序列分析(ITSA)方法探究DRG改革对患者的住院天数及费用的影响。结果  DRG
          改革后,患者的平均住院天数及各项费用均较DRG改革前显著下降(P<0.001)。在整体样本层面,DRG改革后,患者的平均住院
          天数、次均总费用、次均药品费用、次均医疗服务项目费用、次均检查费用均呈显著的长期下降趋势(P<0.05),但次均自付费用的
          下降和次均耗材费的上升趋势无统计学意义(P>0.05)。三级医疗机构的平均住院天数与各项费用(次均耗材费用除外)在DRG
          改革后均呈显著的长期上升趋势(P<0.05);而二级及以下医疗机构的平均住院天数、次均总费用、次均药品费用、次均医疗服务
          项目费用、次均检查费用则表现为显著的长期下降趋势(P<0.05)。结论  DRG改革对喀什地区COPD患者整体呈现缩时、控费效
          果,但不同等级医疗机构的效果存在差异,二级及以下医疗机构住院天数与费用呈长期下降趋势,三级医疗机构则呈现长期上升
          趋势;患者自付负担未见显著改善。
          关键词  慢性阻塞性肺疾病;疾病诊断相关分组;住院天数;住院费用;间断时间序列分析


          Impact of DRG payment on length of stay and medical costs in COPD patients from Kashgar region
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          YANG Jiale ,WANG Ningning ,Aizezijiang·Aierken ,LIAN Lingkai ,LYU Xinyi ,LIU Pengcheng ,
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          YAO Wenbing(1.  School  of  International  Pharmaceutical  Business,China  Pharmaceutical  University,  Nanjing
          211198,China;2.  Personnel  Office,  Traditional  Chinese  Medicine  Hospital  of  Xinjiang  Uygur  Autonomous
          Region,Urumqi  830002,China;3.  Xinjiang  Key  Laboratory  of  Clinical Drug  Research,Urumqi  830054,  China;
          4. Healthcare Security Administration of Xinjiang Uygur Autonomous Region,Urumqi 830037,China;5. Business
          School of Jiangsu Second Normal University,Nanjing 211200,China)
          ABSTRACT   OBJECTIVE  To  analyze  the  impact  of  the  diagnosis-related  groups (DRG)  payment  reform  on  the  length  of  stay
          and  medical  costs  in  patients  with  chronic  obstructive  pulmonary  disease (COPD)  in  Kashgar  region,  aiming  to  provide  localized
          empirical  evidence  for  the  optimization  of  regional  medical  insurance  payment  methods.  METHODS  Based  on  the  inpatient
          settlement  database  of  the  Xinjiang  Uygur  Autonomous  Region  Healthcare  Security  Administration,  settlement  data  of  COPD
          inpatients from 17 medical institutions in Kashgar region between January 1, 2022, and December 31, 2024, were extracted. The
          overall  changes  in  patients’  length  of  stay  and  costs  were  compared  before  and  after  the  reform.  Subsequently,  interrupted  time
          series  analysis (ITSA)  was  employed  to  explore  the  impact  of  the  DRG  payment  reform  on  these  variables.  RESULTS  Following
          the reform, both the average length of stay and various cost decreased significantly compared to the pre-reform period (P<0.001).
          At  the  overall  sample  level,  the  average  length  of  stay,  average  total  cost,  average  drug  cost,  average  medical  service  cost,  and
          average  examination  cost  per  admission  all  demonstrated  significant  long-term  downward  trends  after  the  reform (P<0.05).
                                                             However,  the  decrease  in  average  out-of-pocket  costs  and  the
             Δ  基金项目 国 家 自 然 科 学 基 金 地 区 科 学 基 金 项 目(No.
                                                             increase  in  average  consumable  costs  per  admission  were  not
          72464032);新 疆 维 吾 尔 自 治 区 自 然 科 学 基 金 资 助 项 目(No.
                                                             statistically  significant  (P>0.05).  In  tertiary  medical
          2024D01C292)
             *第一作者 硕士研究生。研究方向:药品监管科学、卫生经济学。                  institutions,  the  average  length  of  stay  and  all  categories  of
          E-mail:yjl000224@163.com                           costs  (except  average  consumable  costs  per  admission)
             # 通信作者 教授,博士生导师,博士。研究方向:药品监管科学、                 exhibited  significant  long-term  upward  trends  after  the  reform
          药学教育、卫生经济学。 E-mail:wbyao_cpu@163.com              (P<0.05);  conversely,  in  secondary  and  lower-level  medical


          中国药房  2026年第37卷第8期                                                 China Pharmacy  2026 Vol. 37  No. 8    · 991 ·
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