Users' Guides to the Medical Literature
Guyatt G, Rennie D, Meade MO, Cook DJ
Part B Therapy
Chapter 7. Does Treatment Lower Risk? Understanding the Results
Roman Jaeschke, Gordon Guyatt, Alexandra Barratt, Stephen Walter, Deborah J. Cook
Does Treatment Lower Risk? Understanding the Results: Introduction
Topics Discussed:
measures of effect, risk reduction, understanding the results
Excerpt:
"When clinicians consider the results of clinical trials, they
are interested in the association between a treatment and an outcome.
This chapter will help you to understand and interpret study results
related to outcomes that are either present or absent (dichotomous)
for each patient, such as death, stroke, or myocardial infarction.
A guide for teaching the concepts in this chapter
is also available1 (see http://www.cmaj.ca/cgi/data/171/4/353/DC1/1)...."
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