Table 2.
Clinicopathologic feature of breast cancer patients [n(%)].
| Variable | Total n = 206 |
Control (non metastasis) n = 103 |
Metastasis n = 103 |
P-value |
|---|---|---|---|---|
| Age | ||||
| < 50 | 98 | 47 (45.6) | 51 (49.5) | 0.577† |
| ≥ 50 | 108 | 56 (54.4) | 52 (50.5) | |
| ER | ||||
| Negative | 79 | 33 (32.0) | 46 (44.7) | 0.032* |
| Positive | 127 | 70 (68.0) | 57 (55.3) | |
| PR | ||||
| Negative | 108 | 46 (44.7) | 62 (60.2) | 0.714* |
| Positive | 98 | 57 (55.3) | 41 (39.8) | |
| HER2 | ||||
| −/+ | 138 | 68(66.0) | 70(68.0) | 0.001* |
| +++ | 68 | 35 (34.0) | 33 (32.0) | |
| E-Cad | ||||
| Negative | 24 | 14 (13.6) | 10 (9.7) | < 0.001* |
| Positive | 182 | 89 (86.4) | 93 (90.3) | |
| P53 | ||||
| Negative | 107 | 58 (56.3) | 49 (47.6) | 0.757* |
| Positive | 99 | 45 (43.7) | 54 (52.4) | |
| Ki67 | ||||
| < 20 | 54 | 31 (30.1) | 23 (22.3) | < 0.001* |
| ≥ 20 | 152 | 72 (69.9) | 80 (77.7) | |
| Molecular subtypes | ||||
| Luminal A | 36 | 22 (21.4) | 14 (13.6) | 0.064† |
| Luminal B | 55 | 27 (26.2) | 28 (27.2) | |
| Luminal HER2 | 45 | 25 (24.3) | 20 (19.4) | |
| HER2-enriched | 23 | 10 (9.7) | 13 (12.6) | |
| Basal-like | 47 | 19 (18.4) | 28 (27.2) | |
| Lymph node metastasis | ||||
| 0 | 71 | 49 (47.6) | 22 (21.4) | 0.000† |
| 1 ~ 3 | 43 | 27 (26.2) | 16 (15.5) | |
| 4 ~ 9 | 38 | 12 (11.7) | 26 (25.2) | |
| ≥ 10 | 54 | 15 (14.6) | 39 (37.9) | |
| Pathological type | ||||
| Carcinoma in situ | 11 | 7 (6.8) | 4 (3.9) | 0.405† |
| Non-specific invasive carcinoma | 193 | 95 (92.2) | 98 (95.1) | |
| Invasive special type carcinoma | 2 | 1 (1.0) | 1 (1.0) | |
| Tumor size | ||||
| < 2 cm | 60 | 33 (32.0) | 27 (26.2) | 0.819† |
| ≥ 2 cm and ≤ 5 cm | 120 | 55 (53.4) | 65 (63.1) | |
| > 5 cm | 26 | 15 (14.6) | 11 (10.7) | |
| WHO grade | ||||
| I | 9 | 8 (7.8) | 1 (1.0) | 0.465† |
| II | 128 | 60 (58.3) | 68 (66.0) | |
| III | 69 | 35 (34.0) | 34 (33.0) | |
*P values were calculated by pairwise comparisons from McNemar’s test. †P values were calculated by comparisons of groups from Wilcoxon signed-rank test.