A comparison of mortality rates due to
A comparison of mortality rates due to cancer of the uterus in users and non-users of supplemental estrogen revealed: Uterine cancer mortality rates per 100,000 Age in years 45-54 55-70 Users of estrogen 6.0 9.0 Non-users of estrogen 3.0 6.0 Assuming no influence of confounding or external variables, the most valid conclusion derived from the above data concerning the association of estrogen use with mortality due to uterine cancer is: A. Among women 45-54 years of age, those who use estrogen are 2 times as likely to develop uterine cancer compared with those who do not use estrogen. B. The prevalence of uterine cancer seems to increase with age based on the data provided in the table. C. Among users of estrogen, women 45-54 years of age are more likely to die from uterine cancer than those 55-70 years of age. D. Among women 55-70 years of age, those who use estrogen are 1.5 times as likely to develop uterine cancer compared with those who do not use estrogen. E. Among women 55-70 years of age, those who use estrogen are 1.5 times as likely to die from uterine cancer compared with those who do not use estrogen. SCIENCE HEALTH SCIENCE NURSING NURS 8119
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