Posted: September 7th, 2016

# Consider the study described in Problem 8. What is the 2-year cumulative incidence of hypertension?

Five hundred people are enrolled in a 10-year cohort study. At the start of the study, 50 have diagnosed CVD. Over the course of the study, 40 people who were free of CVD at baseline develop CVD.
• a. What is the cumulative incidence of CVD over 10 years?
• b. What is the prevalence of CVD at baseline?
• c. What is the prevalence of CVD at 10 years?
8.
A total of 150 participants are selected for a study of risk factors for cardiovascular disease. At baseline (study start), 24 are classified as hypertensive. At 1 year, an additional 12 have developed hypertension, and at 2 years another 8 have developed hypertension. What is the prevalence of hypertension at 2 years in the study?
9.
Consider the study described in Problem 8. What is the 2-year cumulative incidence of hypertension?

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