Impact of Hospital Competition on Quality of Care
Author Information
Author(s): Helen Schneider
Primary Institution: University of Texas at Austin
Hypothesis
How does hospital competition affect the quality of care as measured by risk-adjusted mortality rates?
Conclusion
Increased hospital competition is associated with lower risk-adjusted mortality rates, suggesting that quality should be considered in antitrust analyses.
Supporting Evidence
- Lower risk-adjusted mortality rates are found in more competitive hospital environments.
- Non-profit hospitals do not outperform investor-owned hospitals in terms of patient outcomes.
- The study suggests that quality should be included in antitrust analyses of hospital mergers.
Takeaway
When hospitals compete more, patients tend to have better outcomes after surgery. This means that competition can help make hospitals better at taking care of patients.
Methodology
The study used regression analysis on data from 373 hospitals in California from 1997 to 2002 to assess the relationship between hospital competition and risk-adjusted mortality rates for CABG surgeries.
Potential Biases
Potential selection bias due to non-random hospital selection by patients based on quality.
Limitations
The study focuses only on CABG surgery and may not generalize to other procedures; it also relies on a sample of California hospitals, which may not represent national trends.
Participant Demographics
The study analyzed data from hospitals performing CABG surgeries in California, with a focus on non-profit and investor-owned hospitals.
Statistical Information
P-Value
p<0.01
Statistical Significance
p<0.05
Digital Object Identifier (DOI)
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