The incidence and cost of unexpected hospital use after scheduled outpatient endoscopy.
Leffler DA, Kheraj R, Garud S, et al. The incidence and cost of unexpected hospital use after scheduled outpatient endoscopy. Arch Intern Med. 2010;170(19):1752-7. doi:10.1001/archinternmed.2010.373.
An automated surveillance system within an existing electronic medical record detected many more post-procedural adverse events than standard voluntary reporting.