Additional to the information included in the OMI-DB, information regarding the number of women and studies with the four different Volpara Density Grades, are potentially available. The latest data, as per July 2020, can be seen on the following table. Please note that additional permission is required to access the Volpara data, which is provided is on a case-by-case basis and the desire to access the Volpara data should be expressed clearly on the application form.
| VDG 5thEd | No. Women | No. of Studies |
|---|---|---|
| 1 | 9991 | 18676 |
| 2 | 66003 | 116387 |
| 3 | 39260 | 67044 |
| 4 | 15548 | 25118 |