3. 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

developed stroke didnt develop

hypertension 12 37

no hyper 4 26

• compute the cumulative incidence of stroke in persons over 75. Cumulative incidents 5 years =
• compute relative risk of storke in hypertensive as compared to non hypertensive persons. Relative risk =
• compute the odds ratio of stroke in hypertensive as compared to non hyper persons. Odds ratio =