Table 7 Predicted annual breast cancer incidence (%) in a monozygotic twin in the years after the diagnosis in the first twin
From: The BOADICEA model of genetic susceptibility to breast and ovarian cancer
| Â | Years since first twin's diagnosis (years) | |||
|---|---|---|---|---|
First twin age (years) | <5 | 5–9 | 10–14 | 15+ |
35 | 0.25 | 0.43 | 0.55 | 0.68 |
| Â | 0.17(B) | 0.26(B) | 0.30(B) | 0.34(B) |
| Â | 0.34(C) | 0.77(C) | 0.70(C) | 0.85(C) |
40 | 0.40 | 0.52 | 0.55 | 0.70 |
| Â | 0.22(B) | 0.26(B) | 0.29(B) | 0.33(B) |
| Â | 0.46(C) | 0.42(C) | 0.41(C) | 0.56(C) |
45 | 0.49 | 0.53 | 0.58 | 0.70 |
| Â | 0.24(B) | 0.27(B) | 0.30(B) | 0.33(B) |
| Â | 0.38(C) | 0.37(C) | 0.34(C) | 0.57(C) |
50 | 0.52 | 0.57 | 0.65 | 0.71 |
| Â | 0.26(B) | 0.29(B) | 0.32(B) | 0.33(B) |
| Â | 0.31(C) | 0.29(C) | 0.36(C) | 0.52(C) |
55 | 0.55 | 0.63 | 0.68 | 0.71 |
| Â | 0.28(B) | 0.31(B) | 0.33(B) | 0.33(B) |
| Â | 0.26(C) | 0.34(C) | 0.32(C) | 0.57(C) |
