Appraising evidence • Epi calculator
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Glossary

Absolue measures of efficacy

Absolue risk reduction

All or None study

Case control study

Case series study

Cohort study

Intention-to-treat analysis

Levels of Evidence

Likelihood ratios

Number-needed-to-treat (NNT)

Odds ratio

Randomized controlled trial (RCT)

Relative risk ratio

SNNOUT

SPPIN

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Design version 3/13/2003 8:56AM.