Variables Definitions

1. Upper CI Limit: The upper limit of the confidence interval for the data collected in both groups.
2. Lower CI Limit: The lower limit of the confidence interval for the data collected in both groups.
3. CI Level: The confidence interval level is expressed as a decimal value (e.g., 0.95 for a 95% confidence interval).
4. Participants in Group 1: The number of participants in the first group.
5. Participants in Group 2: The number of participants in the second group.
6. Standard Deviation (SD): The calculated standard deviation based on the provided confidence interval information.

Conversion Formula

The calculation involves the following steps:

1. Calculate the Standard Error Wide (seWide):

   

2. Calculate Standard Error (SE):

   

3. Calculate Standard Deviation (SD):

   

4. **Formula Reference - Cochrane Handbook**