Adverse drug events in the outpatient setting: an 11-year national analysis.
Bourgeois FT, Shannon MW, Valim C, et al. Adverse drug events in the outpatient setting: an 11-year national analysis. Pharmacoepidemiol Drug Saf. 2010;19(9):901-10. doi:10.1002/pds.1984.
This study identified patient age and polypharmacy use as risk factors for adverse drug events in the ambulatory setting.