Table 2 Elimination of old microcalcifications that appear in both screening rounds, in BI-RADS normal and suspicious mammograms
Mammograms | New microcalcifications | Old microcalcifications | Overlapping microcalcifications | Overlap (%) | Reduction (%) | ||
|---|---|---|---|---|---|---|---|
BI-RADS normal (n = 200) | 248 | 224 | 54 | 54/224 | (24.1) | 54/248 | (21.8) |
BI-RADS suspicious (n = 200) | 398 | 319 | 64 | 64/319 | (20.1) | 64/398 | (16.1) |
Total (n = 400) | 646 | 543 | 118 | 118/543 | (21.7) | 118/646 | (18.3) |