Table 5.
Breast and ovarian cancers occurring after the family was referred to the genetics centre.
| Number of women | Years f/u (Breast ca) | Cancers | Rate (%/Year) | Number of women | Years f/u (ovarian ca) | Cancers | Rate | |
| BRCA1 Carriers | 256 | 1522.33 | 65 | 4.27 | 403 | 2256.13 | 37 | 1.64 |
| BRCA1 FDR unknown | 341 | 1988.07 | 13 | 0.65 | 355 | 2049.42 | 6 | 0.29 |
| BRCA1 Index | 87 | 399.49 | 37 | 9.3 | 194 | 977.35 | 24 | 2.5 |
| BRCA1 Carriers less index | 159 | 1122.33 | 28 | 2.5 | 209 | 1278.78 | 13 | 1.01 |
| BRCA2 Carriers | 210 | 1210.41 | 61 | 5.0 | 363 | 2235.14 | 12 | 0.54 |
| BRCA2 FDR unknown | 324 | 2096.93 | 12 | 0.57 | 345 | 2187.04 | 4 | 0.19 |
| BRCA2 Index | 66 | 285.59 | 36 | 12.6 | 175 | 966.69 | 9 | 0.93 |
| BRCA2 Carriers less index | 144 | 924.82 | 25 | 2.7 | 363 | 1268.45 | 3 | 0.24 |
Censored if affected with relevant cancer prior to date of referral and at RRS, relevant cancer diagnosis, or date of last follow up.
The index case was used to identify the mutation. Women were censored at time of risk reducing surgery.