Relative Risk Confidence Interval Calculator
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RR calculator to find the ratio of proportions of cases having positive and negative outcomes. Relative risk is also termed as Risk ratio.

Calculate Confidence Intervals of Risk Ratio (RR)

a
b
c
d
r

RR calculator to find the ratio of proportions of cases having positive and negative outcomes. Relative risk is also termed as Risk ratio.

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Formula:

Relative Risk (RR) = ( a / ( a + b ) ) / ( c / ( c + d ) ) Where, a = Exposed Group Positive Outcome, b = Exposed Group Negative Outcome, c = Control Group Positive Outcome, d = Control Group Negative Outcome,

Calculating Relative risk ratio for confidence intervals is made easier using this online RR calculator.

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