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PSNet: Patient Safety Network
Journal Article
Study

Adverse drug event rates in six community hospitals and the potential impact of computerized physician order entry for prevention.

Hug BL, Witkowski DJ, Sox CM, et al. Journal of General Internal Medicine. 2009;25.

This study used chart review with trigger tools to estimate the incidence of medication errors in community hospitals. A high proportion of errors occurred at the prescribing stage, and therefore could have been prevented by a computerized provider order entry system.