Evidence based medicine

• Critical reading
• The four elements of well-built clinical questions
• The educational prescription and notes
• Asking the right questions about a study
  • Are the results of this diagnostic study valid?
  • Is this evidence about prognosis valid?
  • Are the results of this single study valid?
  • Are the results of this systematic review valid?
  • Are the results of this economic analysis valid?
  • Are the results of this clinical decision analysis valid?
  • Are the results of this harm study valid?
  • Are the recommendations in this guideline valid?
• Categories of evidence and strength of recommendation

Numbers Needed to Treat

• Calculating NNT's

Medline searching

• Medline searching
• Methodological filters
• Methodological filter grid to help frame questions to construct searches.

Links

• Healthy Scepticism
• NHS National Electronic Library for Health

Evidence based medicine links