7. In a small pilot study, 12 women with uterine cancer and 12 with no apparent disease were contacted and asked whether they had ever used estrogen. Each Women with Women without Pair No. Uterine Cancer Uterine Cancer Estrogen user Estrogen nonuser Estrogen user Estrogen user Estrogen user Estrogen nonuser Estrogen user Estrogen user Estrogen nonuser Estrogen nonuser Estrogen user Estrogen user Estrogen nonuser Estrogen nonuser Estrogen nonuser woman with cancer was matched by age, race, and weight to a woman without disease. The results are 2 4 shown below: Estrogen nonuser
7. In a small pilot study, 12 women with uterine cancer and 12 with no apparent disease were contacted and asked whether they had ever used estrogen. Each Women with Women without Pair No. Uterine Cancer Uterine Cancer Estrogen user Estrogen nonuser Estrogen user Estrogen user Estrogen user Estrogen nonuser Estrogen user Estrogen user Estrogen nonuser Estrogen nonuser Estrogen user Estrogen user Estrogen nonuser Estrogen nonuser Estrogen nonuser woman with cancer was matched by age, race, and weight to a woman without disease. The results are 2 4 shown below: Estrogen nonuser
Holt Mcdougal Larson Pre-algebra: Student Edition 2012
1st Edition
ISBN:9780547587776
Author:HOLT MCDOUGAL
Publisher:HOLT MCDOUGAL
Chapter11: Data Analysis And Probability
Section: Chapter Questions
Problem 8CR
Related questions
Question
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Transcribed Image Text:7. In a small pilot study, 12 women with uterine cancer
Women with
Women without
and 12 with no apparent disease were contacted and
Pair No.
Uterine Cancer
Uterine Cancer
asked whether they had ever used estrogen. Each
Estrogen user
Estrogen nonuser
Estrogen nonuser
woman with cancer was matched by age, race, and
Estrogen nonuser
Estrogen user
Estrogen user
Estrogen nonuser
Estrogen nonuser
Estrogen nonuser
Estrogen nonuser
Estrogen user
Estrogen user
Estrogen nonuser
Estrogen nonuser
2
3
Estrogen user
Estrogen user
Estrogen usen
Estrogen nonuser
Estrogen user
Estrogen user
Estrogen nonuser
Estrogen nonuser
Estrogen user
Estrogen user
weight to a woman without disease. The results are
4
shown below:
5
7
10
11
12
A. What is the estimated relative risk of cancer when analyzing this study as a matched-pairs
study? Create a 2x2 table.
CONTROL
ТОTAL
ESTROGEN USER
ESTROGEN NONUSER
ESTROGEN USER
CASE
ESTROGEN
NONUSER
B. Unmatch the pairs and create another 2x2 table. What is the estimated relative risk of cancer
when analyzing this study as an unmatched study design?
CASE
CONTROL
TОTAL
USER
ESTROGEN
NONUSER
10
C. Derive an inference based on the estimated relative risk of this matched-pair case-control study.
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