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PSNet: Patient Safety Network
Journal Article

Adverse event rates as measures of hospital performance.

Hauck K, Zhao X, Jackson T. Health policy (Amsterdam, Netherlands). 2012;104:146-54.

This study concluded that adverse event rates in themselves are a poor marker of hospital performance, largely because of challenges in risk adjusting for patient complexity. The authors argue that variations in adverse event rates should trigger further investigation to determine possible explanations.