Table 1.
Correlation between CD81 expression with clinicopathological parameters of breast cancer patients (n=139) from breast cancer tissue microarrays.
| Parameters | CD81 expression | P value | ||
|---|---|---|---|---|
| Negative | Positive | Total | ||
| Age (years) | 0.366642 | |||
| <60 | 48 (51.6%) | 45 (48.4%) | 93 | |
| ≥60 | 20 (43.5%) | 26 (56.5%) | 46 | |
| Tumor infiltration | / | |||
| T1–T2 | 67 (48.9%) | 70 (51.1%) | 137 | |
| T3–T4 | 1 (50.0%) | 1 (50.0%) | 2 | |
| Lymph node metastasis | 0.04862 | |||
| LN+ | 26 (40.0%) | 39 (60.0%) | 65 | |
| LN− | 42 (56.8%) | 32 (43.2%) | 74 | |
| Grade | 0.567629 | |||
| 1–2 | 49 (50.5%) | 48 (49.5%) | 97 | |
| 3–4 | 19 (45.2%) | 23 (54.8%) | 42 | |
| Stage | 0.019019 | |||
| I–II | 52 (55.9%) | 41 (44.1%) | 93 | |
| III–IV | 16 (34.8%) | 30 (65.2%) | 46 | |
| Recrudescence | 0.080568 | |||
| Yes | 14 (36.8%) | 24 (63.2%) | 38 | |
| No | 54 (53.5%) | 47 (46.5%) | 101 | |
The 7th American Joint Committee on Cancer (AJCC) TNM system was used for the classification and staging of breast cancer.