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Summary WK3Assign.doc Epidemiological Calculations and Interpretations”Level 2 Walden University Epidemiological Calculations and Interpretations”Level 2 Odds ratios and relative risks can be mystified even with their distinctive concepts. The relative ris
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WK3A Epidemiological Calculations and Interpretations”Level 2 Walden University Epidemiological Calculations and Interpretations”Level 2 Odds ratios and relative risks can be mystified even with their distinctive concepts. The relative risk (RR) and odds ratio (OR) frequently will have c...
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Epidemiological Calculations and Interpretations—Level 2
Walden University
Epidemiological Calculations and Interpretations—Level 2
Odds ratios and relative risks can be mystified even with their distinctive concepts. The
relative risk (RR) and odds ratio (OR) frequently will have comparable outcomes, although, in
other circumstances, they have different statistical morals, especially when the risk of incidence
is above average to start with. To illustrate, both measure's relationship amongst the two results
will show unpredictable and constant variables, which it is essential to keep them separated and
remain accurate in the language that is being utilize. The fundamental difference is that the odds
ratio consists of a percentage of two odds, while the relative risk entails a rate of two
probabilities. For example, when developing systems intended for health advancement and
disease avoidance, their analysis converts to rational while looking for relationships amongst
promoting risk causes and disease, which leads to the suggestion among the risk aspect, odds
ratio, and the contrasts concerning two different relative risk. With that said, there are numerous
advantages to utilizing these calculations, such as identifying the risk elements of an exposed
populace.
Epidemiological Calculations and Interpretations—Level 2
Part 1. Complete the 3 Mini Case Studies
Mini Case Study #1
Researchers are conducting an epidemiological study on whether an exposure to chemical
solvents is associated with risk of skin cancer. From a cohort study of industrial workers, they
find that of a group of people who worked with solvents, six developed liver cancer and 208 did
not. Two cases of skin cancer occurred among non-exposed workers in the same industry. The
, remaining 601 non-exposed workers did not develop skin cancer. What is the relative risk (RR)
for developing skin cancer if exposed to chemical solvents? Complete the following:
Create a contingency table using the information from the mini case study.
Exposure to Yes, developed liver No, did not Totals
skin and liver cancer developed liver
cancer cancer
Yes, exposure 6 208 214
to skin cancer
No, exposure 2 601 603
to skin cancer
Totals 8 809 817
Calculate the RR value
The exposure to chemical solvents is associated with risk of skin cancer.
The risk of exposure to liver cancer amongst the non-exposure
=
6/214=0.028 =2.8%
The risk of exposure to skin cancer amongst non-exposure
= 2\603 =.0033=33.2%
RR= 2.8/33.2=0.8
Write an interpretation of the RR.
The relative risk of 0.8 shows a reduced risk for cancer exposure.
Describe the impact these epidemiological findings have for the industry and community
physicians.
Epidemiologic information performs a crucial function in healthcare policies. It supports in
calculating the cause and influences after the incidence of an illness. Also, epidemiological
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