Epi Flashcards
1
Q
Absolute risk reduction
A
Absolute Risk Reduction (ARR) = the AR of events in the control group - the AR of events in the treatment group
2
Q
Number needed to treat
A
1/ ARR (% events in control - % of events in treatment group)
3
Q
Relative risk
A
Events in the treatment group/events in the control group
4
Q
Absolute Risk
A
Number of events in the group/Total number of people in that group
5
Q
Relative Risk Reduction
A
1 - RR (which is events in treatment/events in control)
6
Q
Sensitivity
A
People who tested positive/ All people with the disease
7
Q
Specificity
A
People who tested negative/all people WITHOUT the disease
8
Q
PPV
A
People who tested positive AND HAD THE DISEASE/ All people who tested positive
9
Q
NPV
A
People who tested negative and DID NOT HAVE THE DISEASE/ All people who tested negative
