Slide Presentation from the AHRQ 2007 Annual Conference

ADE Rates in the Ambulatory Setting

• ADEs: 50 per 1000 person-years
• Preventable ADEs: 14 per 1000 person-years (28%)
• Extrapolated to total Medicare 65+: 1,446,949 ADEs per year
  438,046 preventable ADEs/year
• This is likely to be an underestimate

Source: Gurwitz JH et al JAMA 2003; 289:1107-1116