An investigator wants to assess whether smoking is a risk factor for bladder cancer. Electronic medical records at a city hospital will be used to identify one hundred patients (cases) with pancreatic cancer. Two hundred patients (controls) who are similar but free of bladder cancer will also be selected. Each participant’s medical record will be analyzed for smoking history. Which of the following is true about this study? Group of answer choices There is little or no bias in assessment of exposure to the factor. It is cost- and time-efficient for studying rare diseases. Dependence on recall by subjects in the study is minimized. It is possible to determine the true incidence rate of the
An investigator wants to assess whether smoking is a risk factor for bladder cancer. Electronic medical records at a city hospital will be used to identify one hundred patients (cases) with pancreatic cancer. Two hundred patients (controls) who are similar but free of bladder cancer will also be selected. Each participant’s medical record will be analyzed for smoking history. Which of the following is true about this study? Group of answer choices There is little or no bias in assessment of exposure to the factor. It is cost- and time-efficient for studying rare diseases. Dependence on recall by subjects in the study is minimized. It is possible to determine the true incidence rate of the
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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An investigator wants to assess whether smoking is a risk factor for bladder cancer. Electronic medical records at a city hospital will be used to identify one hundred patients (cases) with pancreatic cancer. Two hundred patients (controls) who are similar but free of bladder cancer will also be selected. Each participant’s medical record will be analyzed for smoking history. Which of the following is true about this study?
Group of answer choices
There is little or no bias in assessment of exposure to the factor.
It is cost- and time-efficient for studying rare diseases.
Dependence on recall by subjects in the study is minimized.
It is possible to determine the true incidence rate of the disease.
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