This information is for reference purposes only. It was current when produced and may now be outdated. Archive material is no longer maintained, and some links may not work. Persons with disabilities having difficulty accessing this information should contact us at: https://info.ahrq.gov. Let us know the nature of the problem, the Web address of what you want, and your contact information.
Please go to www.ahrq.gov for current information.
Evidence Challenges
- Availability of evidence
- Needs for evidence are increasing
- Large gaps in the existing literature
- Limited generalizability of trials data to real-world practice
- Unique challenges of devices
- Distinguishing operator vs. product effects
- Short product life-cycles
- Feasibility of RCTs
- Conclusions from the evidence
- Reconciling "average" population effects with individual effects
- "Shelf-life" of evidence
- Practical use of evidence
- Application of evidence to real-world medical decisions
- Provider "accountability" for using evidence
Previous Slide Contents Next Slide 
5600 Fishers Lane Rockville, MD 20857