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May 20, 2026American Journal of Respiratory and Critical Care Medicine

D12-01 Evaluating the Effects of Prospective Payment System Reforms on Healthcare Cost, Quality, and Equity: A Staggered Difference-In-Differences Study in China

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Authors

XTX TangLWL Weimin

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Overview

Randomized trial evaluates cost and quality impacts of payment reforms in healthcare, indicating significant variations across populations and settings.

Key Points

  • This research aims to evaluate the effectiveness and unintended consequences of payment reforms in China's healthcare sector.
  • Conducted a staggered difference-in-differences analysis using hospitalization data from 175,414 patients.
  • Compared effects of Diagnosis Related Groups (DRG) and Diagnosis-Intervention Packet (DIP) on cost and quality metrics.
  • Examined heterogeneity across hospital tiers, patient age groups, geographic locations, and insurance types.
  • DRG resulted in a 15.58% cost reduction while DIP achieved a 5.65% reduction.
  • DRG implementation correlated with increased readmission rates: 15-day (0.71%), 30-day (2.24%), and 90-day (3.30%).
  • Elderly patients experienced increased mortality rates by 0.6% in urban settings despite cost containment.

Cite This Study

Tang et al. (2026) studied this question.

synapsesocial.com/papers/6a0d50bdf03e14405aa9cbbfhttps://doi.org/10.1093/ajrccm/aamag162.1078
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