A national survey is conducted to assess the association between hypertension and stroke in persons over 75 years of age with a family history of stroke.
A national survey is conducted to assess the association between hypertension
and stroke in persons over 75 years of age with a family history of stroke. Development of stroke is monitored over a 5 year follow up period. The data are summarized below and the numbers are in the millions.
1. Compute the cumulative incidence of stroke in persons over 75 years of age
cumulative incidence 5 years =
2. Compute the relative risk of stroke in hypertensive as compared to non-hypertensive persons
relative risk=
3. Compute the odds ratio of stroke in hypertensive as compared to non-hypertensive persons
odds ratio=
hypertension – did develop stroke= 24 did not develop stroke = 74
no hypertension – did develop stroke= 8 did not develop stroke= 52
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