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Cost-variance analysis by DRGs; a technique for clinical budget analysis
G B Voss1, P G Limpens, L J Brans-Brabant
1University Hospital Maastrict, The Netherlands.
Health Policy (Amsterdam, Netherlands)
|January 7, 1997
Summary
A DRG (Diagnosis-Related Group) cost accounting system helps analyze clinical practice changes and explain healthcare expenditure shifts. This method aids in understanding cost variations by examining patient volume, case-mix, and resource use.
Area of Science:
- Health economics
- Healthcare management
- Clinical accounting
Background:
- Healthcare expenditure analysis is crucial for financial management.
- Understanding cost variations requires detailed clinical and economic insights.
- Diagnosis-Related Groups (DRGs) offer a framework for classifying patient care episodes.
Purpose of the Study:
- To demonstrate the value of a DRG-based cost accounting system.
- To analyze changes in clinical practice and expenditure patterns.
- To explain cost variations within a healthcare setting.
Main Methods:
- Cost-variance analysis was performed.
- Data from an orthopedic department over two fiscal years (1993-1994) were used.
- Differences in costs were analyzed by components: patient volume, case-mix, resource use, and cost per procedure.
Main Results:
- The DRG cost accounting system proved valuable for clinical budget analysis.
- The study identified key components contributing to cost variations.
- Differences between predicted and observed costs were systematically analyzed.
Conclusions:
- DRG cost accounting is a useful technique for clinical budget analysis.
- The system facilitates discussion between managers and clinicians on cost variations.
- Integrating medical and economic aspects enhances understanding of healthcare costs.