Relative Risk and Odds Ratio Calculator

This Relative Risk and Odds Ratio calculator allows you to determine the comparative risk of the occurrence of a significant event (or outcome) for two groups.

For example, suppose the members of one group each eat a kilo of cheese every day, and the members of another group eat no cheese, and you have data for both groups on the incidence of heart attacks. In this scenario, heart attack is the event of interest (bad outcome), and the Relative Risk and Odds Ratio measures allow you to compare how likely the members of each group are to suffer the bad outcome.

To use this calculator, you need enter the data for two groups in the text boxes below. Note, this is nominal data - basically, you've got to specify the numbers of people that fall into each of the four categories.

Hit the "Calculate" button when you're ready to perform the calculation.

Enter Your Data Below
  Bad Outcome Good Outcome    
Group 1    
Group 2    
         

No calculation performed yet.



  
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