Search for most updated materials ↑

 
Two separate calculators are provided for estimating the summary effects using the variance based methods. The first one can be used in the situation where difference in the rates of even occurrence is used as an effect measure. The second calculator can be used to calculate a summary relative risk estimate when, for all the studies listed, only relative risk estimate (e.g. odds’ ratio or relative risk) is provided with 95% confidence interval.