Table 1. The characteristics of patients.
| Clinicopathologic variables | n (%) | Clinicopathologic variables | n (%) | |
|---|---|---|---|---|
| Age (years) | Nervous infiltration | |||
| ≤ 50 | 79 (46.7) | Yes | 32 (18.9) | |
| >50 | 90 (53.3) | No | 81 (47.9) | |
| Tumor size | Unknown | 56 (33.2) | ||
| ≤ 2 cm | 59 (34.9) | ER | ||
| >2 cm | 109 (64.5) | Positive | 108 (63.9) | |
| Unknown | 1 (0.6) | Negative | 60 (35.5) | |
| Lymph node | Unknown | 1 (0.6) | ||
| metastasis | PR | |||
| Yes | 90 (53.3) | Positive | 100 (59.1) | |
| No | 76 (45.0) | Negative | 68 (40.2) | |
| Unknown | 3 (1.7) | Unknown | 1 (0.7) | |
| stage | Ki-67 | |||
| I | 34 (20.1) | ≤14% | 35 (20.7) | |
| II | 87 (51.5) | >14% | 129 (76.3) | |
| III | 44 (26.0) | Unknown | 5 (3.0) | |
| Unknown | 4 (2.4) | Her-2 | ||
| Histological grade | Positive | 36 (21.3) | ||
| I ∼ II | 88 (52.1) | Negative | 95 (56.2) | |
| III | 62 (36.7) | Unknown | 38 (22.5) | |
| Unknown | 19 (11.2) | Molecular subtype | ||
| Vascular invasion | Luminal A | 16 (9.5) | ||
| Yes | 67 (39.6) | Luminal B | 93 (55.0) | |
| No | 60 (35.5) | HER-2 | ||
| Unknown | 42 (24.9) | overexpression | 17 (10.1) | |
| Lymphatic vessel | TNBC | 24 (14.2) | ||
| invasion | Unknown | 19 (11.2) | ||
| Yes | 51 (30.1) | |||
| No | 64 (37.9) | |||
| Unknown | 54 (32.0) |