2. A hypothetical study of seven people followed over seven years. Data presented in a graph as below: Individuals 1 2 3 4 5 6 7 2 Healthy period 3 it 5 4 Years of follow-up Disease period 6 Lost to follow-up 7 t Death

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i.
ii.
2. A hypothetical study of seven people followed over seven years. Data presented in a
graph as below:
Individuals
1
2
6
1
2
Healthy period
4
5
Years of follow-up
Disease period
6
7
Lost to follow-up † Death
Calculate point prevalence of disease occurrence at year 2?
I
Calculate incidence density of disease occurrence in 7 yrs follow-up period?
Transcribed Image Text:i. ii. 2. A hypothetical study of seven people followed over seven years. Data presented in a graph as below: Individuals 1 2 6 1 2 Healthy period 4 5 Years of follow-up Disease period 6 7 Lost to follow-up † Death Calculate point prevalence of disease occurrence at year 2? I Calculate incidence density of disease occurrence in 7 yrs follow-up period?
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