Systemic reviews Flashcards
1
Q
definition: odds ratio
A
describe odds of a given event in a patient in the treatment group compared to odds of that event in a patient in the controls
2
Q
definition: relative risk
A
describes risk of a given event in a patient in the treatment group vs risk of an event in a patient in the control group
3
Q
odds ratios are used in which types of studies?
A
case control
4
Q
what does an odds ratio of 1 mean?
A
event is equally likely in both groups
5
Q
relative risk is used in which types of studies?
A
- RCTs
2. cohort
6
Q
what does a relative risk of 1 mean?
A
event is equally probable in both groups
7
Q
what does a RR of 0.11 mean?
A
if you do not take a treatment there is a relative risk 11x that of those who do
