FEBRUARY 16, 2012

Nomograms are More Meaningful than Severity-Adjusted Institutional Comparisons for Reporting Outcomes

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It is becoming increasingly popular for medical institutions to report their medical outcomes by comparing them with other institutions. These comparisons often take the form of calculating a percentile ranking for an institution, comparing an outcome rate with a median or 90th percentile figure, or comparing observed with predicted outcome values assuming a peer institution. In most cases, these comparisons are risk-adjusted for an institution’s case mix.




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