A Recent Study of Patients with Stage 2 Chronic Kidney

question 530

Multiple Choice

A recent study of patients with stage 2 chronic kidney disease (CKD) found that a new drug reduced the progression to end-stage (stage 5) CKD from 37/1,000 placebo-treated cases to 12/1,000 new drug-treated cases over a five-year period.
Which of the following is the number needed to treat in order to obtain a single favorable outcome?

• A)2)5
• B)10
• C)25
• D)40
• E)100