Question

# I need answer to question 5-6 only. You are a nurse practitioner working in an ambulatory...

I need answer to question 5-6 only.

You are a nurse practitioner working in an ambulatory clinic in Illinois with a case load of 350 patients.

You notice that a large proportion (179 patients) have COPD, and you wonder if it is related to smoking.

You create the following 2 x 2 table to explore the relationship between smoking and COPD

:

 With COPD Without COPD total Smokers 82 97 179 Non-Smokers 18 153 171 100 250 350

1. What is the rate of COPD among your patients who smoke?

2. What is the relative risk of COPD among the smokers and nonsmokers?

3. What is the risk for COPD that can be attributed to smoking?

4. What are the odds of getting COPD if a patient is a smoker?

5. You learn that the rate of COPD among nonsmokers in the state of Illinois is 0.26. Why does that statistic cause you concern? What is your next step?

I need answer to question 5-6 only.

5. This is a very dangerous disease and very bad for human our aim is how to minimizes this rate.

6. We use the chi-square test to determine how big the problem is among the patients,

Conclusion:-

The chi-square statistic is( calculated value) 53.349 and the tabulated value at 5% level of significance is 3.841.

therefore the calculated value is greater than the tabulated value (53.349 > 3.841)

we reject the null hypothesis.

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