Family history | Total number | Number in screening group | Mean age at assessment | Breast cancers |
---|---|---|---|---|
BC, breast cancer; OC, ovarian cancer; FDR, first degree relative. | ||||
Categories are more extensive in this table than for the full analysis and we have excluded breast cancers occurring in distant relatives in categories a–d. | ||||
a. 1 FDR BC<40 only | 510 | 302 | 35.49 | 9 |
b. 1 FDR BC 40+ only | 728 | 401 | 38.58 | 16 |
c. 2 FDR BC<50 only | 82 | 61 | 43.34 | 1 |
d. 2 FDR BC only not fulfilling c | 127 | 81 | 45.72 | 3 |
e. 2 BC affected relatives not in c or d | 755 | 485 | 37.74 | 7 |
f. 3 BC affected relatives | 451 | 285 | 39.23 | 9 |
g. 4+ BC affected relatives | 272 | 181 | 39.52 | 9 |
h. 1 OC+BC | 154 | 98 | 39.67 | 4 |
i. 2 OC+BC | 42 | 30 | 39.61 | 5 |
j. Any other history | 29 | 9 | 39.07 | 1 |
Total | 3150 | 1933 | 64 |