Variables Definitions

1. Confidence Interval (CI): This represents the confidence level expressed as a decimal value. For example, 0.95 corresponds to a 95% confidence interval.
2. Number of Participants: The total number of individuals or data points in the sample or study.
3. Upper CI Limit: The upper limit of the confidence interval.
4. Lower CI Limit: The lower limit of the confidence interval.
5. Standard Deviation (SD): The calculated standard deviation based on the provided confidence interval information.

Conversion Formula

1. Calculation of the standard errors wide

   

   

2. Calculation of the SD

   

Formula Reference - Cochrane Handbook