Your study reports a relative risk of 3 24 with a p-value of 0.03 You know the e

Question

Your study reports a relative risk of 3 24 with a p-value of 0.03 You know the exposure of interest is Select one a. Insignificant Flag question b. A risk factor c. A protective exposure The prevalence of influenza increases in your community How would this affect the positive predicative value of nasal swabs to detect influenza? Select one: a. It increases the positive predicative value b. It decreases the positive predicative value c. We do not have enough information to know d. It remains the same

Explanation / Answer

34;

Since p-value is less than 0.05 so decrease in statistical signficant.

So opiton b is correct.

35:

As the prevalence increases, the number of cases having disease also increases. So it will increase the positive predictive value. First option is correct.

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