Relative Risk Confidence Interval Calculator
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)
Code to add this calci to your website
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.
Calculator 
Formula 
