Use this information for all of your following questions: Community A has 90,000 people.

Part 1: During 2019, a total of 345 cases of heart disease were newly diagnosed in community A. A total of 200 cases already had heart disease before 2019 and were still living in the community in 2019.

1. Calculate the incidence rate per 10,000 population for heart disease in the community during 2019

1. Calculate the prevalence rate per 10,000 population for heart disease in the community through 2019

Part 2: Further investigation of the 345 cases of heart disease revealed that 276 cases were male and the rest were females. In 2019, the number of disease-free males in the community was 32,000 and the number of disease-free females in the community was 57,800.

1. Calculate the sex-specific incidence rates per 10,000 population

Male:

Female:

1. Determine the ratio of male cases to female cases
2. Which is a more accurate presentation of the male to female incidence: A Ratio or a Ratio of Rate? Why?