# Question: assume that the horizontal lines in the diagram represent follow...

###### Question details

Assume that the horizontal lines in the diagram represent follow up of 800 different people during the 8 years period. Each horizon line represents 100 different people. Red ovals represent hypertension, blue ovals represent lost to follow up; green ovals represent death. All patients with hypertension survived through the 8 years.

1) Please calculate the point prevalence of hypertension at the end of 2nd year (1 point)?

2) Please calculate the point prevalence of hypertension at the end of 8th year (1 point)?

3) Please calculate the period prevalence of hypertension for the total 8 years(1 point)?

4) Please calculate the cumulative incidence of hypertension at the end of 5th year(1 point)

5)Please calculate the incidence density of hypertension for the 8 years period(1 point)?