DRG Payment and Low-Value Hospitalizations in China, 2022-2024

251,811 Diagnosis-Related Group payment records from a large Chinese tertiary hospital reveal a 76.5% increase in low-value admissions from 2022 to 2024. Lixiang Wu authored this analysis, which links financial incentives under China's DRG reform to unnecessary hospitalizations costing over 51 million Chinese Yuan. The data covers the period from 2022 to 2024.

Use Cases

• Modeling the relationship between DRG profitability and low-value care based on the Medical Expense Ratio (DER).
• Analyzing temporal trends in low-value hospital admissions based on data from 2022 to 2024.
• Identifying drivers of 'check-up dominated' admissions, which comprised 80.74% of low-value cases by 2024.

Strengths

• 251,811 payment records provide a substantial sample for analysis.
• The study period spans three years (2022-2024), allowing for trend analysis.
• Specific financial metrics like the DRG Medical Expense Ratio (DER) are included as key explanatory variables.

Limitations

• Column-level documentation is absent; field semantics must be inferred after download.
• Row count is unknown, which may limit suitability assessment.
• Data is from a single hospital, which may limit generalizability.

Provenance

Source

Lixiang Wu via figshare.

Collection Method

Analysis of DRG payment records from a large tertiary hospital in an early-adopter region.

Time Range

2022-2024

Freshness

Last updated 2026-05-05 05:28:45; freshness should be verified.

Geography

China