(4) Assume you had a population of 100,000 people. If you summed the prevalence

Question

(4) Assume you had a population of 100,000 people. If you summed the prevalence of cases at each of the six weeks (for instance, at week 1 the prevalence was 100 cases, at week 2 the prevalence was 250 cases, etc.), would this number be less than, equal to, or greater than the total number of different people that experienced the disease in this time frame? (5) Assume you had a population of 100,000 people. If you summed the incidence of cases at each of the six weeks (for instance, at week 1 the incidence was 100 cases, at week 2 the prevalence was 150 cases, etc.), would this number be less than, equal to, or greater than the total number of different people that acquired the disease in this time frame? Look at the incidence and prevalence at week 1 and 2. How do the two relate? Given these data and your understanding of the terminology, would you say that the course of this disease lasts less than, equal to, or greater than one week? a.

Explanation / Answer

4) Incidence is defined as the rate of occurrence of new cases in a particular period of time. Prevalence includes both old and new cases. The formula for prevalence is,

Prevalence = incidence x duration

So, when prevalence if a disease is calculated at different rtme intervals and these prevalence rates were added together, the final prevalence will be greater than the total number of different people that experienced the disease in this time frame.

Please post other question separately.

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