Unwarranted variation
Unwarranted Variation is a term used in the field of Healthcare and Medicine to describe differences in healthcare service delivery that cannot be explained by the type or severity of illness or patient preferences. These variations are considered "unwarranted" because they do not contribute to the improvement of patient outcomes and may lead to unnecessary costs and potential harm.
Definition[edit | edit source]
Unwarranted Variation refers to differences in healthcare practices that are not justified by underlying patient conditions or preferences. This concept was first introduced by John Wennberg and his colleagues at the Dartmouth Institute for Health Policy and Clinical Practice. They found significant variations in healthcare delivery across different geographic regions that could not be explained by differences in patient health status or preferences.
Causes[edit | edit source]
There are several potential causes of unwarranted variation, including:
- Differences in Physician practice styles
- Lack of evidence-based guidelines
- Financial incentives
- Patient demand for services
- Availability of healthcare resources
Impact[edit | edit source]
Unwarranted variation can have significant impacts on healthcare quality and costs. It can lead to overuse of unnecessary services, underuse of effective services, and misuse of services, all of which can result in poor patient outcomes and increased healthcare costs.
Strategies to Reduce Unwarranted Variation[edit | edit source]
Several strategies can be used to reduce unwarranted variation, including:
- Development and implementation of clinical practice guidelines
- Use of healthcare quality measures
- Shared decision making between patients and providers
- Healthcare payment reform
See Also[edit | edit source]
References[edit | edit source]
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Contributors: Prab R. Tumpati, MD