Table 2.
Recall rates and biopsy rates for digital breast tomosynthesis in combination with digital mammography (DBT) compared to digital mammography (DM) alone by PROSPR research center
| UPenn | D-BWH | VT | Overall | Unadjusted | Adjusted† | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| DM n=2,981 |
DBT n=20,240 |
DM n=74,911 |
DBT n=16,775 |
DM n=64,991 |
DBT n=18,983 |
DM n=142,883 |
DBT n=55,998 |
|||||||||||||||||
| n | % | n | % | p-value | n | % | n | % | p-value | n | % | n | % | p-value | n | % | n | % | p-value | OR | 95% CI | OR | 95% CI | |
| Recall rate* | 299 | 10.0 | 1891 | 9.3 | 0.227 | 7000 | 9.3 | 1383 | 8.2 | <0.0001 | 7585 | 11.7 | 1582 | 8.3 | <0.0001 | 14884 | 10.4 | 4856 | 8.7 | <0.0001 | 0.82 | (0.79–0.85) | 0.68 | (0.65–0.71) |
| Biopsy rate | 71 | 2.4 | 586 | 2.9 | 0.124 | 1452 | 1.9 | 220 | 1.3 | <0.0001 | 1024 | 1.6 | 293 | 1.5 | 0.791 | 2547 | 1.8 | 1099 | 2.0 | 0.0074 | 1.10 | (1.03–1.19) | 0.85 | (0.77–0.93) |
Abbreviations: UPenn=University of Pennsylvania, D-BWH=Dartmouth-Hitchcock health system and Brigham and Women’s Hospital, VT=University of Vermont
*
Recall rate includes BIRADS 0, 3, 4, and 5 exams.
†
Adjusted for center, age (age 40–49, 50–59, 60–74), breast density (categories 1, 2, 3, 4), and first exam.