Background Medication errors are a national concern. Objective To identify the prevalence
of medication errors (doses administered differently than ordered). Design A prospective
cohort study. Setting Hospitals accredited by the Joint Commission on Accreditation of
Healthcare Organizations, nonaccredited hospitals, and skilled nursing facilities in Georgia
and Colorado. Participants A stratified random sample of 36 institutions. Twenty-six
declined, with random replacement. Medication doses given (or omitted) during at least 1 …