3.
The relationship of Ki-67 expression with the clinicopathological characteristics of breast cancer,n (%).
| Characteristics | Ki-67 | P | |
| <15% | >15% | ||
| Age, years | 0.6 | ||
| <55 | 34 (64) | 14 (36) | |
| >55 | 37 (69) | 17 (31) | |
| Tumor grade | 0.00 * | ||
| G1 | 32 (45) | 6 (17) | |
| G2 | 31 (44) | 14 (39) | |
| G3 | 8 (11) | 16 (44) | |
| Mitotic count | 0.01 * | ||
| <11 | 39 (55) | 9 (25) | |
| 11-22 | 30 (42) | 24 (67) | |
| >22 | 2 (3) | 3 (8) | |
| Tumor size, cm | 0.5 | ||
| <2 | 3 (4) | 2 (6) | |
| >2 | 68 (96) | 34 (94) | |
| Lymph node | |||
| Negative | 20 (28) | 6 (17) | 0.1 |
| Positive | 51 (72) | 30 (83) | |
| Stage | 0.2 | ||
| I | 1 (1) | 1 (3) | |
| II | 36 (51) | 12 (33) | |
| III | 34 (48) | 23 (64) | |
| Histological type | 0.6 | ||
| IDC | 66 (93) | 35 (97) | |
| ILC | 4 (6) | 1 (4) | |
| Mucinous | 1 (1) | 0 (0) | |