Abstract
Introduction: Reliability adjustment, a method for better accounting for statistical “noise”, is becoming more widely used outside surgery. We sought to determine the impact of this technique in surgery. Methods: We used the American College of Surgeons - National Surgical Quality Improvement Program (ACS-NSQIP) to identify all patients undergoing colon resection in 2007 (n=179 hospitals, n=16,262 patients). We first used standard methods to generate risk-adjusted mortality for each hospital. We then used empirical Bayes techniques to adjust for reliability.
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