Formulas Flashcards
1
Q
EER
A
A / (A+B)
1
Q
CER
A
C / (C+D)
2
Q
ARR
A
CER - EER
3
Q
RR
A
EER / CER
4
Q
RRR
A
(CER - EER) / CER
5
Q
NNT
A
1/ARR
The amount of people needed to treat to achieve outcome
6
Q
OR
A
(A/B) / (C/D)
7
Q
HR
A
Ex. 0.80
Represents a 20% reduction in hazards of having the AE
8
Q
Clinically Important HR
A
If Confidence Interval of HR crosses 1 (line of no effect) it is not statistically significant
