The Prevalence Odds Ratio is not an approximate measure of the Risk Ratio it is a paremter on its own that can be used in crosssectional studies as a measure of the association between exposureAbstract This paper argues that the use of the odds ratio parameter in epidemiology needs to be considered with a view to the specific study design and the types of exposure and disease data at hand Frequently, the odds ratio measure is being used instead of the risk ratio or the incidenceproportion ratio in cohort studies or as an estimate Risk Ratio vs Odds Ratio Whereas RR can be interpreted in a straightforward way, OR can not A RR of 3 means the risk of an outcome is increased threefold A RR of 05 means the risk is cut in half But an OR of 3 doesn't mean the risk is threefold;
Ppt Conditional Probability Powerpoint Presentation Free Download Id
