Researchers at an epidemiology clinic have conducted a study investigating the r

Question

Researchers at an epidemiology clinic have conducted a study investigating the relationship between exposure to asbestos and lung cancer. The following table represents the findings from the study after a follow-up period of 10 years.

Calculate the proportion of lung cancer cases in the exposed

and unexposed

Lung Cancer No Lung Cancer Total Asbestos Exposure +   153 201 354 Asbestos Exposure - 23 664 687 Total 176 865 1041

Calculate the proportion of lung cancer cases in the exposed

and unexposed

Explanation / Answer

Solution:

Proportion of lung cancer caese in the exposed = 153/354 = 0.4322 or 43.22%

Proportion of lung cancer in the unexposed = 23/687 = 0.03347 or 3.347%

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