The odds ratio will estimate the average change in odds (the average odds ratio) among exposed individuals only when all individual odds ratios are equal and all individual outcome risks without exposure are equal 1;Risk, and related measures of effect size (for categorical outcomes) such as relative risks and odds ratios, are frequently presented in research articles Not all readers know how these statistics are derived and interpreted, nor are all readers aware of their strengths and limitations risk = odds/ (1odds) "Most published research providing an odds ratio as a measure of effect size should also provide sufficient information for the baseline risk, and hence the relative risk, to be calculated If numbers in each group are given, the crude relative risk can be calculated directly" – BMJ 14;348f7450 doi /bmj
Ppt The Odds Ratio Relative Odds Powerpoint Presentation Free Download Id 6056
