Unadjusted Risk Difference (RD) Calculator

Results

RD:

CI Start:

CI End:

Z:

P-value:

Description of the formula

Variables Definitions

  1. Event 1: The number of events in Group 1.
  2. Total 1: The total number of participants in Group 1.
  3. Event 2: The number of events in Group 2.
  4. Total 2: The total number of participants in Group 2.
  5. Confidence Level: The desired confidence level for the calculation, often chosen as 90%, 95%, or 99%.

Calculation Formulas

The Unadjusted Risk Difference (RD) is calculated using the formula:

**Formula Reference - Cochrane Handbook**