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Academic health systems management: the rationale behind capitated contracts
P A Taheri1, D A Butz, L J Greenfield
1Division of Trauma, Burn, and Emergency Surgery, University of Michigan Health System, Ann Arbor, MI 48109-0033, USA. taheri@umich.edu
Annals of Surgery
|May 19, 2000
Summary
Hospitals use capitated contracts to manage capacity, accepting lower reimbursement for a stable patient flow. This strategy optimizes resource use by ensuring beds remain full, even if some contracts incur accounting losses.
Area of Science:
- Health economics
- Hospital management
- Healthcare finance
Background:
- High-overhead industries, including hospitals, utilize differential pricing strategies to optimize capacity utilization.
- Hospitals must manage capacity effectively, often discounting services to fill empty beds and amortize overhead costs.
Purpose of the Study:
- To investigate the rationale behind hospitals entering capitated contracts, which may result in accounting losses.
- To test the hypothesis that hospitals use capitated contracts for capacity management and to maintain full bed occupancy.
Main Methods:
- Analysis of cost accounting data from a university teaching hospital for fiscal year 1998.
- Comparison of lengths of stay (LOS), variable direct costs (VDC), and overhead for capitated versus non-capitated patients.
- Stratification of data by diagnosis-related groups (DRGs), insurance carrier, proximity, and discharge disposition.
Main Results:
- Capitated patients had lower mean costs ($4,887) and shorter mean LOS (3.4 days) compared to the overall patient population.
- Mean daily reimbursement for capitated patients exceeded variable direct costs but not total costs.
- Capitated patients represented 16.0% of admissions but only 9.4% of total patient days, indicating efficient capacity utilization.
Conclusions:
- Capitated contracts can provide economic benefits by ensuring a stable influx of lower-acuity patients, thereby enhancing capacity utilization.
- A diverse contract portfolio allows hospitals to balance patient flow, acuity, and financial performance.
- A key risk is that prioritizing capitated patients may displace higher-reimbursing, higher-acuity patients.