Overuse, which is defined as the provision of medical services that are more likely to cause
harm than good, is a pervasive problem. Direct measurement of overuse through …

The Choosing Wisely campaign began in the USA in 2012 to encourage physicians and
patients to discuss inappropriate and potentially harmful tests, treatments and procedures …

Importance Both the overuse of unnecessary medical procedures and poor continuity of care
are thought to contribute to high health care spending and poor patient outcomes. Objective …

In the past decades, extensive research has been performed on the phenomenon of
unwarranted clinical variation in clinical practice. Many studies have been performed on …

Importance Low-value care, defined as care offering no net benefit in specific clinical
scenarios, is associated with harmful outcomes in patients and wasteful spending. Despite a …

Background Unwarranted clinical variation in hospital care includes the underuse, overuse,
or misuse of services. Audit and feedback is a common strategy to reduce unwarranted …

Importance Evidence comparing the consequences of Choosing Wisely recommendations
across health systems or with the consequences of recommendations plus policy change is …

Importance Overuse of health care is a pervasive threat to patients that requires
measurement to inform the development of interventions. Objective To measure low-value …

Background Reducing low-value care is a core component of healthcare reforms in many
Western countries. A comprehensive and sound set of low-value care measures is needed …

Importance Health insurers use prior authorization to evaluate the medical necessity of
planned medical services. Data challenges have precluded measuring the frequency with …