# Shared Flashcard Set

## Details

Formulas for Final
.
14
Other
12/11/2012

Term
 What is RR (Risk Ratio)?   What is the formula for it?
Definition
 think: when you are exposed to __, what is the likelihood you will die out of all people with that exposure   I1 = a/(a+b)   I0 = c/(c+d)
Term
 if one asked: Is exposure associated with greater risk of disease?   what formula would that refer to?
Definition
Term
 if one asked: Is exposure associated with greater odds of disease?   what formula would that refer to?
Definition
 OR
Term
 if one asked: What is the excess risk (incidence) of disease associated with exposure?   what formula would that refer to?
Definition
 RD, think excess --> difference
Term
 if one asked: What proportion of disease occurence among exposed indivdiuals is due to the exposure?   what formula would that refer to?
Definition
 AR(E):   (I1-I0)/I1   RD/I1, relize that proportion means two different values
Term
 if one asked: What proportion of disease ocurrence in the total population is due to exposure?   what formula would that refer to?
Definition
 PAR
Term
 What is considered risk?
Definition
 incidence
Term
 What is OR (odd ratio)?
Definition
 (a/b) (c/d)
Term
 What is RD (risk difference)?
Definition
 I1-I0
Term
 What is AR(E), attributable risk among the exposed
Definition
 (I1-I0)/I1 or RD/I1   think risk --> incidence think attributable --> look at non-exposed (I0)
Term
 What is PAR, population attributable risk
Definition
 (I-I0)/I   where I is (a+c)/(a+b+c+d)
Term
 What is the formula for risk.   In = x/(x+y)
Definition
 In = x/(x+y)
Term
 if one asked: Is the exposure associated with death, relative to non-exposure   what formula would that refer to?
Definition
 RR
Term
 if one asked: What proportion of th death was due to exposure?   what formula would that refer to?
Definition
 AR(E)
Supporting users have an ad free experience!