Columbia Southern University Prevalence Ratios and Proportions Worksheet

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Consider the following hypothetical scenario: The Idaho Kidney Center analyzed deaths among patients with kidney disease who were seen at their program from 1/1/2006 through 12/31/2011. A total of 2,965 deaths occurred during the observation period among the 22,735 study population. The table below gives the race and gender of the decedents and the total population.

Characteristic Decedents (N = 2,965) Total Study Population (N = 22,735)
Gender
Male
Female		 1,779
1,186		 15,748
6,987
Race
White, non-Hispanic
Black, non-Hispanic
Hispanic
Other/Unknown		 1,951
523
251
240		 12,912
8,066
1,230
527

Using the scenario above, calculate and explain how to find the prevalence of Hispanics in the total study population. Then, calculate and explain how to find the ratio of males to females in the total study population. What is the proportion of Black, non-Hispanic decedents in this program? In addition, what is the proportion of White, non-Hispanic decedents in this study? Explain why this information is necessary for an epidemiological study.

Your response must be at least 500 words in length.

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