In a cohort study men were classified as having high or low cholesterol levels. Among the group with low cholesterol levels there were 45 heart attacks in 6000 person-years o follow-up and among the group with high cholesterol levels there were 100 heart attacks in 4000 person-years of follow-up. How much heart attacks could theoretically be prevented among men with high cholesterol if nobody had high cholesterol? State the measure and calculate it

Practical Management Science
6th Edition
ISBN:9781337406659
Author:WINSTON, Wayne L.
Publisher:WINSTON, Wayne L.
Chapter2: Introduction To Spreadsheet Modeling
Section: Chapter Questions
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In a cohort study men were classified as
having high or low cholesterol levels. Among
the group with low cholesterol levels there
were 45 heart attacks in 6000 person-years of
follow-up and among the group with high
cholesterol levels there were 100 heart attacks
in 4000 person-years of follow-up.
How much heart attacks could theoretically
be prevented among men with high
cholesterol if nobody had high cholesterol?
State the measure and calculate it
Transcribed Image Text:In a cohort study men were classified as having high or low cholesterol levels. Among the group with low cholesterol levels there were 45 heart attacks in 6000 person-years of follow-up and among the group with high cholesterol levels there were 100 heart attacks in 4000 person-years of follow-up. How much heart attacks could theoretically be prevented among men with high cholesterol if nobody had high cholesterol? State the measure and calculate it
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