A study examining the relationship between pre-diagnosis physical activity and cancer enrolled a total of 538 patients. Physical activity levels were monitored using a self-report survey and participants were followed from 2018-2020. There were 13 cases of cancer diagnosed at the end of 2018, 22 cases of cancer diagnosed at the end of 2019, and 57 cases of cancer diagnosed at the end of 2020. Assuming that no participants were lost to follow-up or death during the three-year study, what was the incidence rate of cancer in the total sample during the study? Report your answer in cases per 100 person-years to one decimal place.
A study examining the relationship between pre-diagnosis physical activity and cancer enrolled a total of 538 patients. Physical activity levels were monitored using a self-report survey and participants were followed from 2018-2020. There were 13 cases of cancer diagnosed at the end of 2018, 22 cases of cancer diagnosed at the end of 2019, and 57 cases of cancer diagnosed at the end of 2020. Assuming that no participants were lost to follow-up or death during the three-year study, what was the incidence rate of cancer in the total sample during the study? Report your answer in cases per 100 person-years to one decimal place.
Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
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Transcribed Image Text:A study examining the relationship between pre-diagnosis physical activity and cancer enrolled a
total of 538 patients. Physical activity levels were monitored using a self-report survey and
participants were followed from 2018-2020. There were 13 cases of cancer diagnosed at the end of
2018, 22 cases of cancer diagnosed at the end of 2019, and 57 cases of cancer diagnosed at the
end of 2020. Assuming that no participants were lost to follow-up or death during the three-year
study, what was the incidence rate of cancer in the total sample during the study? Report your
answer in cases per 100 person-years to one decimal place.
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