11. In a nursing home, a program is launched in 2005 to asses the extent to which it’s residents are affected by diabetes. Each residents are affected by diabetes. Each resident has a blood test, and 48 of the 625 residents have diabetes in 2005. Residents who did not already have diabetes were again tested in 2010, and 57 residents had diabetes. a. What is the prevalence of diabetes in 2005?b. What is the cumulative incidence of diabetes over 5 years?c. What is the prevalence of diabetes in 2010 (assume that none of the residents in 2005 have died or left the nursing home)?

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Asked Sep 13, 2019
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11. In a nursing home, a program is launched in 2005 to asses the extent to which it’s residents are affected by diabetes. Each residents are affected by diabetes. Each resident has a blood test, and 48 of the 625 residents have diabetes in 2005. Residents who did not already have diabetes were again tested in 2010, and 57 residents had diabetes.

 

a. What is the prevalence of diabetes in 2005?

b. What is the cumulative incidence of diabetes over 5 years?

c. What is the prevalence of diabetes in 2010 (assume that none of the residents in 2005 have died or left the nursing home)?

 

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Expert Answer

Step 1

(a)

The prevalence of diabetes in 2005 is obtained as follows:

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Number of diabetes in 2005 Prevalence of diabetes in 2005 Total number of residents in 2005 48 625 = 0.0768

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Step 2

Thus, the prevalence of diabetes in 2005 is 0.0768.

(b)

The cumulative incidence of diabetes over 5 years is obtained as follows:

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(Cumulative incidence of 57 | diabetes over 5 years (625-48) 57 577 =0.0988

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Step 3

Thus, the cumulative incidence of diabetes over 5 years is 0.0988.

(c)

The prev...

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48 57 Prevalence of diabetes in 2010= 625 105 625 0.168

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