How to use this tool
Check the units, enter your values, and run the tool. Results follow the assumptions and method below.
Calculation method
Relative risk
(a/(a+b))/(c/(c+d))Relative Risk Calculator
Integer counts and positive group sizes; crude risk ratio does not establish causality.
Integer counts and positive group sizes; crude risk ratio does not establish causality.
Result
Enter your values and run the tool to see your result.