In 1983 a large randomised clinical trial was started to test whether faecal-occult-blood (FOB) testing may reduce colorectal cancer mortality. The study population consisted of 17,238 healthy people aged 45-74 years who lived in Nottingham (UK). Participants were randomly assigned to FOB testing (every two year) or no testing. They were followed for 15 years. The data is summarised in the 2x2 table shown below. Colorectal cancer mortality Yes No Total Yes 87 7,934 8,021 FOB testing No 162 9,005 9,217 Total 249 16,989 17,238 The correct value for the measure of association for this study, as calculated from the table is: O a. 0.62 O b. 0.54 O c. 1.53 O d. 1.62 O e. 1.00
In 1983 a large randomised clinical trial was started to test whether faecal-occult-blood (FOB) testing may reduce colorectal cancer mortality. The study population consisted of 17,238 healthy people aged 45-74 years who lived in Nottingham (UK). Participants were randomly assigned to FOB testing (every two year) or no testing. They were followed for 15 years. The data is summarised in the 2x2 table shown below. Colorectal cancer mortality Yes No Total Yes 87 7,934 8,021 FOB testing No 162 9,005 9,217 Total 249 16,989 17,238 The correct value for the measure of association for this study, as calculated from the table is: O a. 0.62 O b. 0.54 O c. 1.53 O d. 1.62 O e. 1.00
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
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Transcribed Image Text:In 1983 a large randomised clinical trial was started to test whether faecal-occult-blood (FOB) testing may reduce colorectal cancer
mortality. The study population consisted of 17,238 healthy people aged 45-74 years who lived in Nottingham (UK). Participants were
randomly assigned to FOB testing (every two year) or no testing. They were followed for 15 years. The data is summarised in the 2x2 table
shown below.
Colorectal cancer mortality
Yes
No
Total
Yes
87
7,934
8,021
FOB
testing
No
162
9,005
9,217
Total
249
16,989
17,238
The correct value for the measure of association for this study, as calculated from the table is:
O a.
0.62
O b. 0.54
O c. 1.53
O d. 1.62
O e. 1.00
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