Table 2. Pathological and biological tumour features in black and white breast cancer patients.
| Factor | Category | Black patient no. (%) | White patient no. (%) | Significancea |
|---|---|---|---|---|
| Tumour size | ⩽2 cm | 39 (41) | 64 (45) | 0.2 |
| >2 cm | 55 (59) | 77 (55) | ||
| Total | 94 (100) | 141 | ||
| Node status | Negative | 34 (35) | 58 (41) | 0.2 |
| Positive | 62 (65) | 85 (59) | ||
| Total | 96 (100) | 143 (100) | ||
| Histological grade | 1 | 6 (6) | 18 (12) | 0.02 |
| 2 | 30 (32) | 66 (46) | ||
| 3 | 57 (62) | 60 (42) | ||
| Total | 93 (100) | 144 (100) | ||
| Oestrogen receptor status | Negative | 32 (34) | 34 (25) | 0.2 |
| Positive | 61 (66) | 102 (75) | ||
| Total | 93 (100) | 136 (100) | ||
| Progesterone receptor status | Negative | 32 (36) | 34 (25) | 0.5 |
| Positive | 58 (64) | 102 (75) | ||
| Total | 90 (100) | 136 (100) | ||
| Her2/neu status | Negative | 56 (66) | 83 (65) | 0.6 |
| Positive | 29 (34) | 44 (35) | ||
| Total | 85 (100) | 127 (100) | ||
| Triple negative status | Negative | 63 (78) | 99 (85) | 0.2 |
| Positive | 18 (22) | 17 (15) | ||
| Total | 81 (100) | 116 (100) |
a
Adjusted for age.