“…In studies of the UK Quality and Outcomes Framework, in which incentives were directly tied to measured quality of care, any observed decreases in hospital admissions accompanying observed changes in quality were small, [25][26][27] and some studies found no association between measured quality and hospital admissions. 28,29 Research to date, largely from the United Kingdom and United States, has provided mixed evidence of the effectiveness of these programs. 24,[30][31][32][33][34] Studies of Ontario's pay-forperformance initiatives showed modest improvements in delivery of some preventive services 35,36 and no change in management of patients with diabetes.…”