Table 4 Numbers reclassified (absolute risk of developing breast cancer within the next 10 years 3%, 3 to 5%, 5 to 8%, 8 +%) for the Tyrer-Cuzick (TC) risk score modified using percent dense area compared to the Tyrer-Cuzick risk score modified using the density residual
TC + unadjusted density/TC + density residual | <3% | 3-5% | 5-8% | 8%+ | Total |
|---|---|---|---|---|---|
Control | Â | Â | Â | Â | Â |
<3% | 4 (100%) | 0 (0%) | 0 (0%) | 0 (0%) | 4 (1%) |
3-5% | 47 (89%) | 6 (11%) | 0 (0%) | 0 (0%) | 53 (11%) |
5-8% | 19 (13%) | 105 (70%) | 25 (17%) | 0 (0%) | 149 (31%) |
8 +% | 0 (0%) | 29 (10%) | 128 (47%) | 117 (43%) | 274 (57%) |
Total | 70 (15%) | 140 (29%) | 153 (32%) | 117 (24%) | 480 (100%) |
Case | Â | Â | Â | Â | Â |
<3% | 0 (0%) | 0 (0%) | 0 (0%) | 0 (0%) | 0 (0%) |
3-5% | 6 (55%) | 5 (45%) | 0 (0%) | 0 (0%) | 11 (15%) |
5-8% | 1 (6%) | 15 (83%) | 2 (11%) | 0 (0%) | 18 (25%) |
8 +% | 0 (0%) | 4 (9%) | 11 (26%) | 28 (65%) | 43 (60%) |
Total | 7 (10%) | 24 (33%) | 13 (18%) | 28 (39%) | 72 (100%) |