Tag Relative risk

number remaining at risk

And what about me?

Number remaining at risk. The number needed to treat is the most widely used measure of clinical impact in the analysis of the results of a clinical trial. However, the prognosis of patients in whom the outcome under study does…

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odds ratio

The ratio’s trap

Odds ratio vs risk ratio. Odds ratio and risk ratio are related concepts that can be interchanged when the prevalence of the effect is low, but not in other situations.

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contingency tables

The table

Contingency tables. Contingency tables are described for the most common studies: cross-sectional, case-control, and cohort studies.

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