Q. 2 Suppose we followed a population of 175 persons for one year, and 50 had a disease of interest at the start of follow-up and another 25 new cases developed during the year. (a) What is the period prevalence for the year? (b) What is the point prevalence at the start of the period? (c) What is the cumulative incidence for the one-year period?

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Q. 2 Suppose we followed a population of 175 persons for one year,
and 50 had a disease of interest at the start of follow-up and another
25 new cases developed during the year.
(a) What is the period prevalence for the year?
(b) What is the point prevalence at the start of the period?
(c) What is the cumulative incidence for the one-year period?
Transcribed Image Text:Q. 2 Suppose we followed a population of 175 persons for one year, and 50 had a disease of interest at the start of follow-up and another 25 new cases developed during the year. (a) What is the period prevalence for the year? (b) What is the point prevalence at the start of the period? (c) What is the cumulative incidence for the one-year period?
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