Variables | Total | Triple negative | Non-triple negative | P value | |||
---|---|---|---|---|---|---|---|
 | N = 486 (100%) | N = 71 (15%) | N = 415 (85%) |  | |||
 | No. | % | No. | % | No. | % |  |
Age, years | Â | Â | Â | Â | Â | Â | 0.49 |
   ≤50 | 198 | 41 | 32 | 44 | 166 | 40 |  |
   >50 | 288 | 59 | 39 | 56 | 249 | 60 |  |
Size | Â | Â | Â | Â | Â | Â | 0.23 |
   ≤2 cm | 181 | 37 | 21 | 30 | 160 | 39 |  |
   >2 cm | 288 | 59 | 46 | 65 | 242 | 58 |  |
   Unknown | 17 |  | 4 | 5 | 13 | 3 |  |
Nodal status | Â | Â | Â | Â | Â | Â | 0.02 |
   Negative | 275 | 57 | 48 | 68 | 227 | 55 |  |
   Positive | 192 | 40 | 19 | 27 | 173 | 42 |  |
   Unknown | 19 | 3 | 4 | 5 | 15 | 3 |  |
Histology | Â | Â | Â | Â | Â | Â | 0.14 |
   Ductal | 454 | 94 | 66 | 93 | 388 | 93 |  |
   Lobular | 16 | 3 | 0 | 0 | 16 | 4 |  |
   Other | 16 | 3 | 5 | 7 | 11 | 3 |  |
Grade | Â | Â | Â | Â | Â | Â | <0.0001 |
   1 | 92 | 19 | 4 | 6 | 88 | 21 |  |
   2 | 273 | 56 | 32 | 45 | 241 | 58 |  |
   3 | 101 | 21 | 34 | 48 | 67 | 16 |  |
   Unknown | 20 | 4 | 1 | 1 | 19 | 5 |  |
TP53 expression | Â | Â | Â | Â | Â | Â | <0.0001 |
   Negative | 392 | 81 | 43 | 61 | 349 | 84 |  |
   Positive | 92 | 19 | 28 | 39 | 64 | 15 |  |
   Unknown | 2 | 0 | 0 | 0 | 2 | 1 |  |
Ki67 expression | Â | Â | Â | Â | Â | Â | <0.0001 |
   Low | 333 | 69 | 34 | 48 | 299 | 72 |  |
   High | 150 | 31 | 37 | 52 | 113 | 27 |  |
   Unknown | 3 | 1 | 0 | 0 | 3 | 1 |  |