Which of the following results shows the strongest evidence for a risk factor? RR= Risk Ratio;...

Which of the following results shows the strongest evidence for a risk factor? RR= Risk Ratio; CI = Confidence Interval

A. RR=2.57; 95% CI= 2.35-2.83

B. RR=1.20; 95% CI=1.06-1.37

C. RR=3.07; 95% CI=0.98-4.0

D. RR=0.75; 95% CI=0.60-1.37

Expert Solution

The correct answer is A as the risk ratio is high and the confidence interval is narrow. This makes the evidence strongest among the given options. Even when 3.07 is a higher risk ratio, its CI is quite broad indicating weak evidence.

gladiator answered 2 years ago

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