Table 4.
MR detected additional malignancy stratified by breast mammographic density.
| Density | Total | True positives (%) | False positive (%) | No add. disease (%) | |
|---|---|---|---|---|---|
| DM | Non-dense | 91 | 12 (13%) | 8 (9%) | 71 (78%) |
| Dense | 110 | 16 (14%) p = 0.790 |
10 (10%) p = 0.941 |
84 (76%) p = 0.781 |
|
| DBT | Non-dense | 104 | 7 (7%) | 3 (3%) | 94 (90%) |
| Dense | 83 | 15 (18%) p = 0.017 |
10 (12%) p = 0.014 |
58 (70%) p = 0.001 |
DM: digital mammography.
DBT: digital breast tomosynthesis.
No additional disease: defined as a negative result by MR including both TN and FN.
The p-values of less than 0.05 are marked as bold.