3.1 In 2018, there were 105 new cases of type 2 diabetes reported in Smithville, a city of 500,000. This brought the total number of active cases of type 2 diabetes in Smithville to 3,075. During this time, there were 105 deaths attributable to the disease.
- What was the incidence rate per 100 000 for type 2 diabetes in 2018?
- What was the prevalence rate of type 2 diabetes per 100 000 in 2018?
- What was the cause-specific death rate of type 2 diabetes in 2018?
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In order to calculate the incidence rate, prevalence rate, and cause-specific death rate of type 2 diabetes in Smithville in 2018, we need to consider the population at risk, the number of new cases, the total number of active cases, and the number of deaths attributable to the disease.
- Incidence rate per 100,000: The incidence rate represents the number of new cases of a disease occurring in a population over a specific time period. To calculate the incidence rate per 100,000 for type 2 diabetes in Smithville in 2018, we need to divide the number of new cases by the population at risk and then multiply by 100,000.
Incidence rate = (Number of new cases / Population at risk) * 100,000
Given: Number of new cases of type 2 diabetes in 2018 = 105 Population of Smithville = 500,000
Incidence rate = (105 / 500,000) * 100,000 Incidence rate = 21
Therefore, the incidence rate of type 2 diabetes in Smithville in 2018 was 21 per 100,000 population.
- Prevalence rate per 100,000: The prevalence rate represents the total number of active cases of a disease in a population at a specific time. To calculate the prevalence rate per 100,000 for type 2 diabetes in Smithville in 2018, we need to divide the total number of active cases by the population and then multiply by 100,000.
Prevalence rate = (Total number of active cases / Population) * 100,000
Given: Total number of active cases of type 2 diabetes in 2018 = 3,075 Population of Smithville = 500,000
Prevalence rate = (3,075 / 500,000) * 100,000 Prevalence rate = 615
Therefore, the prevalence rate of type 2 diabetes in Smithville in 2018 was 615 per 100,000 population.
- Cause-specific death rate: The cause-specific death rate represents the number of deaths attributed to a specific cause per population during a specific time period. To calculate the cause-specific death rate of type 2 diabetes in Smithville in 2018, we need to divide the number of deaths attributable to the disease by the population and then multiply by 100,000.
Cause-specific death rate = (Number of deaths attributable to type 2 diabetes / Population) * 100,000
Given: Number of deaths attributable to type 2 diabetes in 2018 = 105 Population of Smithville = 500,000
Cause-specific death rate = (105 / 500,000) * 100,000 Cause-specific death rate = 21
Therefore, the cause-specific death rate of type 2 diabetes in Smithville in 2018 was 21 per 100,000 population.
References:
- Centers for Disease Control and Prevention. (2019). Public Health Surveillance and Data: Calculating Rates. Retrieved from https://www.cdc.gov/csels/dsepd/ss1978/lesson3/section2.html
- American Public Health Association, American Water Works Association, & Water Environment Federation. (2017). Standard Methods for the Examination of Water and Wastewater (23rd ed.). Washington, DC: American Public Health Association.