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PSNet: Patient Safety Network
Journal Article
Study

The impact of electronic medical records data sources on an adverse drug event quality measure.

Kahn MG, Ranade D. Journal of the American Medical Informatics Association : JAMIA. 2010;17:185-91.

Trigger tools are used to screen for patient safety events and are also used to calculate rates of certain safety problems (such as adverse drug events). This study found that the rate of a trigger tool–based drug safety quality measure varied widely depending on the specific data source used to calculate the rate.