A retrospective cohort study is conducted of the relationship between the use of estrogen and coronary heart
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Question:
A retrospective cohort study is conducted of the relationship between the use of estrogen and coronary heart disease. A total of 5000 exposed and 5000 unexposed women are enrolled and followed for 15 years for the development of myocardial infection. A total of 200 estrogen users developed the outcome compared with 300 myocardial infractions among the nonusers.
A. What is the risk of a myocardial infarction among estrogen users?
B. What is the risk of a MI among nonusers of estrogen?
C. What is the risk ratio of a MI?
Related Book For
Probability and Statistics for Engineering and the Sciences
ISBN: 978-1305251809
9th edition
Authors: Jay L. Devore
Posted Date: