Formulas

Question 1

EER

Answer 1

A / (A+B)

Question 1

CER

Answer 1

C / (C+D)

Question 2

ARR

Answer 2

CER - EER

Question 3

RR

Answer 3

EER / CER

Question 4

RRR

Answer 4

(CER - EER) / CER

Question 5

NNT

Answer 5

1/ARR

The amount of people needed to treat to achieve outcome

Question 6

OR

Answer 6

(A/B) / (C/D)

Question 7

HR

Answer 7

Ex. 0.80

Represents a 20% reduction in hazards of having the AE

Question 8

Clinically Important HR

Answer 8

If Confidence Interval of HR crosses 1 (line of no effect) it is not statistically significant