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1. Problem Statement and Interaction Area Viagra Treatment Placebo Headache 112

ID: 3359455 • Letter: 1

Question

1. Problem Statement and Interaction Area

Viagra Treatment

Placebo

Headache

112

21

No Headache

620

698

Use the data in the accompanying table (based on data from Pfizer, Inc., as presented in Triola & Triola). The table describes results from a clinical trial of the well-known drug Viagra. Calculate the relative risk of a headache for patients receiving Viagra compared to those receiving the placebo.

2. In a recent year in the United States, there were 2601213 deaths, and 659121 of them were due to heart disease. Find the cause-of-death ratio for deaths due to heart disease, using k=100.

3. Problem

Given the following hypothetical data: Vital Statistics for the United States in One Year (from Triola and Triola, 2006)

k=1000, for most

Population

284803109

Women aged 15-44

59920976

Deaths

2324370

Fetuses delivered without life after 20 weeks of gestation

37247

Live Births

4118654

HIV infected persons

812763

Deaths of infants under   1 yr of age

27497

Deaths from HIV infections

16667

Deaths of infants under 28 days of age

16928

Motor vehicle deaths

43420

Calculate the Crude Birth Rate, per 1000, for the United States.

Viagra Treatment

Placebo

Headache

112

21

No Headache

620

698

Explanation / Answer

1) let us make the table again

RELATIVE RISK= a/(a+b)/c(c+d)

= 112/732/21/719

relative risk is greater than 1, it means their risk for developing that disease is higher than the other group.

PLEASE POST QUESTION 2 SEPARATELY.

HEADACHE NO HEADACHE TOTAL VIAGRA TREATMENT 112(a) 620(b) (a+b) PLACEBO 21(c) 698(d) (c+d)