From: Tumor characteristics and prognosis in familial breast cancer
 | BRCA-positive | BRCA-wild type | Sporadic | p-value | |||
---|---|---|---|---|---|---|---|
Number of patientsa | 33 | Â | 66 | Â | 1826 | Â | Â |
 | N | % | N | % | N | % |  |
Age at diagnosis | Â | Â | Â | Â | Â | Â | <0.0001 |
  ≤ 35 | 14 | 43 | 11 | 16 | 102 | 6 |  |
 36–45 | 10 | 30 | 33 | 50 | 421 | 23 |  |
 46–55 | 5 | 15 | 11 | 17 | 547 | 30 |  |
  ≥ 56 | 4 | 12 | 11 | 17 | 756 | 41 |  |
Tumor size | N = 24 | N = 56 | N = 1560 | 0.79 | |||
  < =2 cm | 10 | 42 | 31 | 55 | 790 | 51 |  |
  > 2 cm, <=5 cm | 12 | 50 | 20 | 36 | 652 | 42 |  |
  > 5 | 2 | 8 | 5 | 9 | 118 | 7 |  |
Nodal status | N = 28 | N = 59 | N = 1593 | 0.46 | |||
 Node negative | 13 | 46 | 34 | 58 | 793 | 50 |  |
 Node positive | 15 | 54 | 25 | 42 | 800 | 50 |  |
Tumor grade | N = 20 | N = 48 | N = 1435 | 0.07 | |||
  1 | 1 | 5 | 6 | 13 | 82 | 6 |  |
 2 | 4 | 20 | 14 | 29 | 574 | 40 |  |
 3 | 15 | 75 | 28 | 58 | 779 | 54 |  |
ER status | N = 26 | N = 55 | N = 1545 | <0.0001 | |||
 Positive | 14 | 54 | 37 | 67 | 1238 | 80 |  |
 Negative | 12 | 46 | 18 | 33 | 307 | 20 |  |
PgR status | N = 26 | N = 54 | N = 1531 | 0.04 | |||
 Positive | 14 | 54 | 37 | 68 | 1136 | 74 |  |
 Negative | 12 | 46 | 17 | 32 | 395 | 26 |  |
Ki67 status | N = 21 | N = 29 | N = 1079 | 0.87 | |||
 Low | 6 | 29 | 10 | 35 | 327 | 30 |  |
 High | 15 | 71 | 19 | 65 | 752 | 70 |  |
cerb-B2 status | N = 22 | N = 33 | N = 1069 | 0.01 | |||
 Negative | 20 | 91 | 21 | 64 | 884 | 83 |  |
 Positive | 2 | 9 | 12 | 36 | 185 | 17 |  |