Table 6 Multivariate model of breast cancer risk including density, reader/centre and age, excluding cancers diagnosed at or within 1 year of the evaluation screen
From: Visually assessed breast density, breast cancer risk and the importance of the craniocaudal view
Risk factor | Category | OR (95% CI) |
|---|---|---|
Percent density (%) | 0 to 10 | 1.00 (-) |
| Â | 11 to 25 | 1.26 (0.73 to 2.15) |
| Â | 26 to 50 | 1.84 (1.06 to 3.19) |
| Â | 51 to 75 | 2.09 (1.17 to 3.72) |
| Â | 76 to 100 | 2.97 (1.41 to 6.26) |
Reader Aberdeen | 1 | 1.00 (-) |
| Â | 2 | 0.78 (0.43 to 1.39) |
| Â | 3 | 1.85 (1.10 to 3.09) |
| Â | 4 | 2.04 (1.25 to 3.33) |
Reader Manchester | 5 | 0.68 (0.36 to 1.29) |
| Â | 6 | 1.04 (0.61 to 1.76) |
| Â | 7 | 0.79 (0.45 to 1.40) |
| Â | 8 | 0.52 (0.27 to 1.00) |
Age | Per year | 0.98 (0.95 to 1.02) |