Methodological variability in detecting prescribing errors and consequences for the evaluation of interventions.
Franklin BD, Birch S, Savage I, et al. Methodological variability in detecting prescribing errors and consequences for the evaluation of interventions. Pharmacoepidemiol Drug Saf. 2009;18(11):992-9. doi:10.1002/pds.1811.
Four different strategies for identification of medication errors—prospective identification by pharmacists, retrospective chart review, use of a trigger tool, and voluntary reporting—each yielded a different estimate of the incidence of errors.