A term or phrase used to describe the reduction of risk in real reduction terms because of an experimental treatment is:
A) Relative risk reduction
B) Number needed to treat
C) Control event rate
D) Absolute risk reduction

Question

Quizplus · Accepted Answer

Correct D: Absolute risk reduction is the description of risk in absolute terms because it is the difference between risk observed in those who did and did not experience the event.
Incorrect A: Relative risk ratio is the risk of the event after the experimental treatment as a percentage of the original risk.
Incorrect B: Number needed to treat is the estimated number of treatment patients needed versus standard treatment for one patient to benefit.
Incorrect C: Control event rate is the proportion of patients in whom an event is observed in the control group.

A Term or Phrase Used to Describe the Reduction of Risk