Medical researchers conducted an experiment with 9191 women being treated for an
ID: 3069336 • Letter: M
Question
Medical researchers conducted an experiment with 9191 women being treated for anorexia. For one year, 4545 randomly selected patients were treated with an antidepressant and the other 4646 were given a placebo. At the end of the year, patients were diagnosed as healthy orrelapsed, as summarized in the table. Do these results provide evidence that the antidepressant might be helpful in treating anorexia?
Antidepressant
Placebo
Total
Healthy
32
33
65
Relapse
13
13
26
Total
45
46
91
2 QUESTIONS:
(Yes. There is) or (No. there is no) evidence that the antidepressant is effective. The relapse rate for patients taking the antidepressant was___% while the relapse rate for patients taking the placebo was___%.
Antidepressant
Placebo
Total
Healthy
32
33
65
Relapse
13
13
26
Total
45
46
91
Explanation / Answer
(No. there is no evidence that the antidepressant is effective. The relapse rate for patients taking the antidepressant was (13/45)*100=28.89% while the relapse rate for patients taking the placebo was (13/46)*100 =28.26%