Table 5 Availability of germline DNA specimens by cancer family type
Type of cancer family | Mean number of blood samples per family (range) | Samples from affecteds/family (number of families) | ||||
|---|---|---|---|---|---|---|
0 | <2 | 2 | >2 | All families | ||
Female breast cancer only | 8.6 (1–36) | 98 | 186 | 166 | 68 | 518 |
Female breast and ovarian cancer | 10.3 (1–37) | 42 | 79 | 78 | 40 | 239 |
Ovarian cancer only | 4.8 (2–7) | 2 | 1 | 1 | 0 | 4 |
Male breast cancer only | 4.3 (2–8) | 0 | 3 | 0 | 0 | 3 |
Female and male breast cancer | 8.1 (2–18) | 9 | 12 | 8 | 8 | 37 |
Female breast, male breast and ovarian cancer | 13.8 (2–30) | 1 | 4 | 3 | 6 | 14 |
All families with breast or ovarian cancer | 9.1 (1–37) | 152 | 285 | 256 | 122 | 815 |