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A study is done to compare side effects for two different drugs used to treat a medical condition. One hundred people are given each drug. Results are as shown in the following table:
Headache?
Nausea?
Yes
No
Drug 1
10
90
15
85
Drug 2
5
95
For the headache side effect, compute each of the following.
a. The risk of experiencing a headache for each drug (separately).
b. The relative risk of a headache for Drug 1 compared to Drug 2.
c. The percent increase in the risk of a headache for Drug 1 compared to Drug 2.
d. The odds ratio for comparing the odds of a headache for Drug 1 compared to Drug 2.
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