ArticleFrontiers in public health2025
Impact of DRG policy on the performance of tertiary hospital inpatient services in Chongqing, China: an interrupted time series study, 2020-2023.
Article in Frontiers in public health, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 9 papers.
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9 citing papers in PubMed.
- "More work means less pay": a qualitative understanding of physicians' patient selection decision-making under DRG reform in Nanjing, China.International journal for equity in health · 2026Article
- Diagnostic coding combination patterns, CHS-DRG severity stratification, and hospitalization expenditure in pneumonia with coexisting hypertension or diabetes mellitus: a single-center cautionary case study of definitional circularity.BMC health services research · 2026Article
- Evaluating departmental performance and reimbursement-cost pricing distortions under DRG-based payment: evidence from a tertiary hospital in China.BMC health services research · 2026Article
- The epidemic and socioeconomic factors shock: a long-term dynamic analysis of equity in infectious disease healthcare in China.International journal for equity in health · 2026Article
- High-magnification inpatient cases under DIP payment reform: prevalence, cost burden, and risk factors in an NHC-administered hospital in China.Frontiers in public health · 2026Observational
- Correlation analysis between single disease quality management and efficiency indicators of a tertiary hospital in China.BMC health services research · 2025Article
- Impact of per diem payment on medical expenditure, service efficiency, and quality of care for patients with mental disorders: an interrupted time series study.BMC health services research · 2025Article
- DRG payment does not predispose to negative clinical outcomes in general surgery cases: evidence from a tertiary hospital in China.Frontiers in public health · 2025Article
- Impacts of DRG point-based payment system on healthcare resource utilization and provider behavior: a pilot quasi-experimental study in China.Frontiers in public health · 2025Article
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Abstract
Background: Implementing the diagnosis-related groups (DRG) payment policy in 2021 marked a significant step in increasing the capacity and efficiency of public hospital services in Chongqing, China. However, the adaptability and effectiveness of DRG policy in middle-income regions like Chongqing remain understudied. This study evaluates the impact of DRG on tertiary hospital inpatient services in Chongqing, focusing on challenges unique to resource-constrained settings. Methods: Using an interrupted time series design, we analyzed monthly data of 14 DRG performance measures obtained from the DRG comprehensive management system, covering two public hospitals in Chongqing from 2020 to 2023. To evaluate both immediate and long-term effects of the DRG policy, we employed an interrupted time series analysis model to analyze changes in indicator levels and trends pre- and post-intervention. Results: We found significant changes in the following indicators since the implementation of the DRG policy: case-mix index (CMI) level increased by 0.0661 ( Conclusion: The DRG policy in Chongqing led to unintended trade-offs: tertiary hospitals prioritized high-volume, low-complexity cases, eroding service capacity for severe conditions. Middle-income regions faced implementation barriers, including fragmented health IT systems and insufficient administrative capacity, which diminished policy effectiveness. Policymakers must tailor DRG implementation to local contexts, balancing efficiency with equity and quality.
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