# Confidence Intervals

JMP Clinical uses Wald Confidence Interval calculations and Modified Wald Confidence Intervals. Note: 0 count contingency cells use Modified Wald Confidence Intervals only. Please refer to the FREQ Procedure documentation for details:

## Risk and Risk Differences

Refer to The FREQ Procedure: Risk and Risk Differences for more information.

## Odds Ratio and Relative Risks

Refer to The FREQ Procedure: Odds Ratio and Relative Risks for more information.