Population
38,319 patients over 40 years of age who underwent abdominal aortic procedures or died in hospital with a…
Design
Cohort
Follow-up
In-hospital
Authors
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High emergency mortality and case-mix variation caution against unadjusted hospital benchmarking; leaves open whether risk-adjusted metrics improve performance assessment.
Using raw mortality data after aortic surgery as a hospital performance indicator may be misleading due to significant variations in case mix and patient selection.
Jonathan Michaels (2003) studied this question.
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