A prospective cohort study is run to estimate the incidence of stroke in persons 55 years of age and older. All participants are free of stroke at study start. Each participant is followed for a maximum of 5 years. The data are summarized in Table 3–14. Number of Strokes Number of Stroke-Free Person-Years Men (n = 125) 9 478 Women (n = 200) 21 97 What is the annual incidence rate of stroke in men? What is the annual incidence rate of stroke in women? What is the annual incidence rate of stroke (men and women combined)?
A prospective cohort study is run to estimate the incidence of stroke in persons 55 years of age and older. All participants are free of stroke at study start. Each participant is followed for a maximum of 5 years. The data are summarized in Table 3–14. Number of Strokes Number of Stroke-Free Person-Years Men (n = 125) 9 478 Women (n = 200) 21 97 What is the annual incidence rate of stroke in men? What is the annual incidence rate of stroke in women? What is the annual incidence rate of stroke (men and women combined)?
MATLAB: An Introduction with Applications
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- A prospective cohort study is run to estimate the incidence of stroke in persons 55 years of age and older. All participants are free of stroke at study start. Each participant is followed for a maximum of 5 years. The data are summarized in Table 3–14.
|
|
Number of Strokes |
Number of Stroke-Free Person-Years |
|
Men (n = 125) |
9 |
478 |
|
Women (n = 200) |
21 |
97 |
What is the annual incidence rate of stroke in men?
What is the annual incidence rate of stroke in women?
What is the annual incidence rate of stroke (men and women combined)?
Expert Solution
Step 1
Given data
Number of strokes Number of stroke free person years
men (n=125) 9 478
women (n=200) 21 97
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