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Coory M, Scott I. Analysing low-risk patient populations allows better discrimination between high-performing and low-performing hospitals: a case study using inhospital mortality from acute myocardial infarction. Quality and Safety in Health Care. 2007;16(5):324

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Empirical study

Groups

Patients

Statistical methods

For assessing clinical performance in hospital mortality from acute myocardial infarction, comparing low risk groups of patients provides better discrimination than those at higher risk. This seems worth exploring in hospital mortality of other causes, a possibility that thus far this does not seem to have attracted much attention

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