Question: CHD (+) CHD (-) Total High Cholesterol (+) A=124 B=326 450 Low Cholesterol (-) C=41 D=309 350 Total 165 635 800 Calculate the incidence rate

CHD (+) CHD (-) Total
High Cholesterol (+) A=124 B=326 450
Low Cholesterol (-) C=41 D=309 350
Total 165

635

 800

Calculate the incidence rate for the total population. In other words, use the total row at the bottom of the table. Express the rate per 100

and What are the units for the incidence rate from the calculation in question 16?

  1. X existing CHD cases per 100 persons
  2. X new CHD cases per 100 current cases
  3. X new cases of CHD per 100 persons
  4. X%

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