Table 4. Ki-67 correlation with other parameters.
| Ki-67 index (%) | 20-30 | 31-40 | 41-100 | p* |
|---|---|---|---|---|
| Histology | ||||
| NOS | 33 (60.0) | 34 (75.6) | 35 (74.5) | 0.405 |
| lobular | 10 (18.2) | 5 (11.1) | 7 (14.9) | |
| others | 12 (21.8) | 6 (13.3) | 5 (10.6) | |
| Tumor size (cm) | ||||
| >0.5≤1.0 | 10 (18.2) | 4 (8.9) | 3 (6.4) | 0.421 |
| >1≤2 | 19 (34.5) | 18 (40.0) | 13 (27.7) | |
| >2≤5 | 22 (40.0) | 20 (44.4) | 26 (55.3) | |
| >5 | 4 (7.3) | 3 (6.7) | 5 (10.6) | |
| Grade | ||||
| 1 | 32 (58.2) | 21 (46.7) | 11 (23.4) | <0.001 |
| 2 | 22 (40.0) | 19 (42.2) | 23 (48.9) | |
| 3 | 1 (1.8) | 5 (11.1) | 13 (27.7) | |
| Lymph node status | ||||
| N0 | 31 (56.4) | 19 (42.2) | 16 (34.0) | 0.413 |
| N1 (1-3) | 9 (16.4) | 12 (26.7) | 13 (27.7) | |
| N2 (4-9) | 10 (18.2) | 8 (17.8) | 12 (25.5) | |
| N3 (>10) | 5 (9.1) | 6 (13.3) | 6 (12.8) | |
| Total | 55 (100.0) | 45 (100.0) | 47 (100.0) | |
*Fisher exact test; NOS = not otherwise specified