Table 1.
Clinical characteristics of breast cancer patients
| Parameters | Total | TNBC (n=106) (%) | Non-TNBC (n=120) (%) | χ2 value | P-value |
|---|---|---|---|---|---|
| Age (years) | 0.698 | 0.404 | |||
| ≤50 | 94 | 41 (38.7) | 53 (44.2) | ||
| >50 | 132 | 65 (61.3) | 67 (55.8) | ||
| Menopausal status | 0.975 | 0.323 | |||
| Premenopausal | 123 | 54 (50.9) | 69 (57.5) | ||
| Postmenopausal | 103 | 52 (49.1) | 51 (42.5) | ||
| Histological type | 4.985 | 0.026 | |||
| Ductal | 197 | 98 (92.5) | 99 (82.5) | ||
| Lobular | 30 | 8 (7.5) | 21 (17.5) | ||
| Size | 2.852 | 0.091 | |||
| ≤2 cm | 103 | 42 (39.6) | 61 (50.8) | ||
| >2 cm | 123 | 64 (60.4) | 59 (49.2) | ||
| Pathological grade | 1.178 | 0.278 | |||
| I and II | 128 | 56 (52.8) | 72 (60.0) | ||
| III | 98 | 50 (47.2) | 48 (40.0) | ||
| LN metastasis | 10.425 | 0.001 | |||
| 0 | 130 | 49 (46.2) | 81 (67.5) | ||
| ≥1 | 96 | 57 (53.8) | 39 (32.5) | ||
| TNM stage | 2.173 | 0.140 | |||
| I | 79 | 28 (26.4) | 51 (42.5) | ||
| II | 83 | 43 (40.6) | 40 (33.3) | ||
| III | 53 | 29 (27.4) | 24 (20.0) | ||
| IV | 11 | 6 (5.7) | 5 (4.2) | ||
| NEDD9 | 17.707 | <0.001 | |||
| Low expression | 79 | 22 (20.8) | 57 (47.5) | ||
| High expression | 147 | 84 (79.2) | 63 (52.5) | ||
| E-cadherin | 15.007 | <0.001 | |||
| Negative expression | 114 | 68 (64.2) | 46 (38.3) | ||
| Positive expression | 112 | 38 (35.8) | 74 (61.7) |
Abbreviations: LN, lymph node; NEDD9, neural precursor cell expressed, developmentally downregulated 9; TNBC, triple-negative breast cancer; TNM, tumor-node-metastasis.