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2 unusual facts about Unwarranted variation


Comparative effectiveness research

Unwarranted variation in medical treatment, cost, and outcomes suggests a substantial area for improvement and savings in our health care system.

Unwarranted variation

Health Dialog was built to directly address unwarranted variation in healthcare: the overuse, underuse and misuse of medical care.


Health Dialog

The company was founded in 1997 to address the unwarranted variation research done by Dr. John Wennberg and The Dartmouth Institute for Health Policy and Clinical Practice.


see also