Does the Diagnosis-Intervention Packet Payment Reform Impact Medical Costs, Quality, and Medical Service Capacity in Secondary and Tertiary Hospitals? A Difference-in-Differences Analysis Based on a Province in Northwest China

To control medical costs and regulate the behavior of providers, China has formed an original widely piloted case-based payment under the regional global budget, called the Diagnosis-Intervention Packet (DIP). This study aimed to evaluated the impact of the DIP payment reform on medical costs, quality of care, and medical service capacity in a less-developed pilot city in Northwest China.