How much lower is the risk of a heart attack

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Reference no: EM132138177

This table summarizes the results from along+termrandomized clinicaltrial to  determine whether aspirin reduces the risk of heart attack. Researchers  randomly assigned a large sample of healthy male physicians (22,071) to one of  two groups. One group took a low dose of aspirin (325 mg every other day). The  other group took a placebo. Here are the final results. 

Heart Attack 

No Heart Attack 

Totals 

Aspirin 

139 

10,898 

11,037 

Placebo 

239 

10,795 

11,034 

Totals 

378 

21,693 

22,071

Research Question:

Does daily doses of aspirin lower the risk of a heart attack? 

(Hit, some of the questions to consider

a) How much lower is the risk of a heart attack for those who took aspirin in the study?  

b) What is the relative risk of a heart attack? 

c) What is the percent decrease in risk of a heart attack if someone took aspirin daily?)

Reference no: EM132138177

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