<unk>  (or geographic<unk>  in health care service delivery refers to medical practice pattern<unk>  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.
Unwarranted variation
Therapeutic inertia
Diagnostic greed
Adverse event
Blissful ignorance effect
Aseptic sampling
Attrition 
Outcomes paradox