Table 3.
Proportions of clinico-pathological parameters and KI-67 expression in breast cancer samples
| Variable | Frequency (%) |
|---|---|
| Age (n = 89) | |
| ≤30 | 3 (3.4) |
| 31–40 | 19 (21.3) |
| 41–50 | 28 (31.5) |
| 51–60 | 25 (28.1) |
| 61–70 | 7 (7.9) |
| 71–80 | 6 (6.7) |
| >80 | 1 (1.1) |
| Histological type (n = 57) | |
| Invasive ductal | 55 (96.4) |
| Invasive lobular | 1 (1.8) |
| Mucinous | 1 (1.8) |
| Tumour grade (n = 64) | |
| Low grade | 12 (18.8) |
| Intermediate grade | 43 (67.1) |
| High grade | 9 (14.1) |
| Vascular invasion (n = 44)* | |
| Absent | 15 (34.1) |
| Present | 29 (65.9) |
| ER (n = 86) | |
| Negative | 58 (67.4) |
| Positive | 28 (32.6) |
| PR (n = 86) | |
| Negative | 64 (74.4) |
| Positive | 22 (25.6) |
| HER2/neu (n = 80) | |
| Negative | 68 (85.0) |
| Positive | 12 (15.0) |
| Molecular subtypes (n = 88) | |
| Lumina A | 23 (26.1) |
| Lumina B | 7 (8.0) |
| Triple negative | 44 (50.0) |
| HER2-enriched | 5 (5.7) |
| Inconclusive | 9 (10.2) |
*45 cases had unrecorded vascular invasion status