It is possible to apply filters to any of the default MedicalDirector Stats reports. To do so,

From within the Reports Menu Tree, select a report to apply a filter on. This report is referred to as the parent report.

Either select Edit > Modify Filters, or click the Filter icon in the MedicalDirector Stats tool bar, or Right-click on a report and select Modify Filters. The Criteria Selection window appears.

Make modifications to selection criteria, as necessary.

Click OK to confirm your selections. A new, child report is generated based on your selection criteria. This report is added to the Reports Menu Tree, and appears under the parent report you based your filter on.