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Section 1

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Relative risk reduction

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Last updated

6 years ago

Date created

Mar 1, 2020

Cards (11)

Section 1

(11 cards)

Relative risk reduction

Front

Proportion of risk reduction attributable to intervention as compared to control

Back

What equation can approximate relative risk for rare diseases?

Front

Odds ratio

Back

Number needed to treat

Front

Number of patients who need to be treated for 1 patient to benefit. Lower number = better treatment

Back

How to interpret relative risk

Front

Back

Attributable risk

Front

Difference in risk between exposed and unexposed groups

Back

Prevalence of a disease affects what?

Front

positive predictive value

Back

Relative Risk (RR)

Front

Cohort studies. Risk of developing dz in exposed group divided by risk in unexposed group

Back

Contingency table

Front

Back

Absolute risk reduction

Front

Difference in risk attributable to the intervention as compared to a control

Back

Odds ratio

Front

Case control studies. Odds of a certain exposure given an event (disease) vs odds of exposure in absence of event

Back

Number needed to harm

Front

Number of patients who need to be exposed to a risk factor for 1 patient to be harmed. Higher number = safer exposure

Back