Table 4 Breast cancer characteristics by site of origin
| Â | Cairo (N = 90) | Minia (N = 113) | p-value |
|---|---|---|---|
| Â | No. (%) | No. (%) | Â |
Age | Â | Â | Â |
   Mean | 53.4 | 49.5 |  |
Lymph Nodes | Â | Â | Â |
   Positive | 35 (61.4%) | 39 (81.3%) | 0.0029 |
   Negative | 22 (38.6%) | 9 (18.8%) |  |
   Not Available | 33 | 65 |  |
Tumor size, cm (T category) | Â | Â | Â |
   ≤ 2.0 (T1) | 5 (6.1%) | 18 (25.7%) | 0.001 |
   > 2.0-≤5.0 (T2) | 66 (80.5%) | 45 (64.3%) |  |
   > 5 (T3) | 11 (13.4%) | 7 (10%) |  |
   Not Available | 8 | 43 |  |
Histologic Grade | Â | Â | Â |
   Low Grade (G1) | 1 (1.4%) | 0 (0.0%) | < 0.0001 |
   Intermediate Grade (G2) | 69 (94.5%) | 51 (69.9%) |  |
   High Grade (G3) | 3 (4.1%) | 22 (30.1%) |  |
   Not Available | 17 | 40 |  |
Proliferative Index (Ki67) | Â | Â | Â |
   Mean | 14.9 | 15.8 |  |
   SD | 12.3 | 9.8 |  |