Biostats Flashcards
1
Q
interpretation of relative risk
A
- pts in tx group were X% as likely to have Y outcome as control group
- there was an X% reduced/increased risk
2
Q
interpretation of relative risk reduction
A
X% less likely
3
Q
interpretation of absolute risk reduction
A
X% => for every 100 pts, X fewer pt will have outcome
4
Q
interpretation of odds ratio
A
- treatment is associated with X% increase/decrease risk of outcome
- event rate in treatment group is higher/lower than event rate in control group
5
Q
interpretation of hazard ratio
A
event rate in treatment group is higher/lower than event rate in control group
