Question

The following health statistics are available on the Internet for country Z about two disease outcomes. Disease A has an annual incidence of 225 per 100,000 population and an annual mortality rate of 150 per 100,000. Disease B
has an annual incidence of 500 per 100,000 population and the same annual mortality rate as disease A. Neither disease A or B has a cure. What would you conclude regarding the burden of these diseases in country Z?

a. The proportionate mortality is higher for
disease A than disease B
b. The case fatality ratio is higher for disease B
than disease A
c. Disease A has a higher prevalence than
disease B
d. Disease B has a higher prevalence than
disease A
e. Years of potential life lost (YPLL) is greater
for disease B than disease A

Answer 1

The burden of diseases A and B in country Z is that disease B has a higher prevalence than

disease A. That is option D.

Health statistics of Country Z

Health statistics is used by professionals to summarize the health status or information on the health of individuals in a particular geographical location.

The basic statistic tools that can be used to check the health status of a population are,

• prevalence

• Case fatality ratio

The prevalence rate is the total number of cases of a disease existing in a population divided by the total population.

The prevalence rate of disease A = 225 per 100,000 population while the prevalence rate of disease B = 500 per 100,000 population.

Therefore, the burden of diseases A and B in country Z is that Disease B has a higher prevalence than

disease A.

Learn more about prevalence here:

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