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Unwarranted variation

Unwarranted variation (or geographic variation) in health care service delivery refers to medical practice pattern variation that cannot be explained by illness, medical need, or the dictates of evidence-based medicine. It is one of the causes of low value care often ignored by health systems.

Metrics Summary

Total Publications
Lifetime
4,074
Prior Five Years
786
Total Citations
Lifetime
91,755
Prior Five Years
6,061
Total Scholars
Lifetime
9,616
Prior Five Years
7,970

Institutional Rankings

Global (Worldwide)
Academic Institutions
Lifetime
Academic Institutions
Prior Five Years
Non-academic Institutions
Lifetime
#1
United States
#1
United States
#1
United States
#2
United Kingdom
#2
United States
#3
United States
#3
United States
#4
United States
#4
Japan
#5
United States
#5
Brazil
#6
Australia
#6
United States
#7
Australia
#7
Australia
#8
Finland
#8
Australia
#9
United States
#9
Canada
#10
United States
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National Institutional Rankings

Publications and Citation History

Publications based on Disciplines

Scholars based on Disciplines

Publications based on Fields

Scholars based on Fields

Highly Ranked Scholars™

Lifetime
Prior Five Years

Highly Cited Publications

Lifetime