Population
136,203 admissions reported by 110 general surgeons participating in a voluntary comparative audit service…
Comparison
A new approach to the presentation of audit data… vs Purely descriptive presentation of audit data
Authors
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Unadjusted mortality rates risk misranking surgeons; leaves open optimal case-mix methods for fair surgical audits.
Adjusting for case mix in surgical audits significantly alters relative performance metrics, highlighting the inadequacy of unadjusted mortality rates for comparing surgical performance.
Murray et al. (1995) studied this question.
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