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Prevalence rate and incidence rate

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The exercise problem the following information to figure prevalence and incidence rate:

Population of the city of Atlantis on March 30th, 2003 = 183,000.
Number of new cases of tuberculosis occurring between january 1st and June 30th, 1003 = 26
Number of active TB cases according to the city register on June 30th, 2003 = 264.

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Solution Summary

The solution explains how to calculate the prevalence rate and incidence rate.

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According to the definition, the prevalence rate = number of existing cases / population at risk.
As of June 30th, 2003, there are 264 TB cases.
therefore, the prevalence rate for TB is: 264 / 183,000 = 144 / ...

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