Perform the meta-analysis quickly and accurately

One click runs the core meta-analysis and creates a display that serves as a roadmap for all that follows. 

This display is an interactive forest plot that yields a clear sense of the data - How many studies are included in the analysis, the precision for each study, whether the effect is consistent from study to study or varies substantially across studies, and so on. You can then customize this display as needed.  Add or remove columns, set computational options, open tables with additional statistics.  Some examples follow.

Display study weights

With one click you can include a column that shows the relative weight assigned to each study. With this mechanism, it becomes clear if the combined effect is a function of many studies, or if it was driven primarily by a small subset of the studies.

Select the computational model

Click on a tab to select the fixed effect model or the random effects model.  You can also display the two simultaneously, which makes it possible to see how the point estimate and confidence interval differ between the two models.

Understand how the computational model affects the study weights

The program will also display the relative weights for a fixed effect analysis and a random effects analysis side-by-side.  This helps to explain why the combined effect shifts as we move from fixed effect to a random effects model (See white paper).

Customize the analysis screen

You have full control over the statistics displayed for each study.  You can display basic statistics, such as the effect size, standard error, and confidence limits.  You can display counts, such as events and sample size for each group.  You can display diagnostics for each study, such as the residual (the distance from the study to the combined effect).

Select the index of effect size

The tool bar includes a drop-down box that lists all available indices for the treatment effect (or effect size).  When you select an effect size such as the odds ratio or standardized mean difference, all statistics, weights, and graphs, are updated automatically.

Display all details of the computations

All computations are displayed on a spreadsheet.  You can view this spreadsheet and actually follow all details of the computation.  If you are using your own spreadsheet for meta-analysis, you can compare this spreadsheet with your own.  This also serves as a unique teaching tool.

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