Feature | High intensity (n = 28) | Low intensity (n = 31) | P |
---|---|---|---|
Age (years) | 52.4 ± 8.5 | 54.2 ± 9.6 | NS |
Sex | Â | Â | Â |
   Male | 1 | 0 |  |
   Female | 27 | 31 | NS |
Tumor size (cm) | Â | Â | Â |
   ≤ 2.0 | 9 | 10 |  |
   2.0–5.0 | 15 | 18 |  |
   >5.0 | 4 | 3 | NS |
Pathological type | Â | Â | Â |
   Papillotubular | 7 | 13 |  |
   Solid tubular | 6 | 3 |  |
   Scirrhous | 15 | 12 |  |
   Others | 0 | 3 | NS |
Histological grade | Â | Â | Â |
   1 | 12 | 15 |  |
   2 | 11 | 12 |  |
   3 | 5 | 4 | NS |
Lymphatic invasion | Â | Â | Â |
   Negative | 11 | 20 |  |
   Positive | 17 | 11 | NS |
Venous invasion | Â | Â | Â |
   Negative | 16 | 25 |  |
   Positive | 12 | 6 | NS |
Estrogen receptor | Â | Â | Â |
   Negative | 11 | 12 |  |
   Positive | 15 | 14 |  |
   Unknown | 2 | 5 | NS |
Lymph node metastasis | Â | Â | Â |
   Negative | 15 | 17 |  |
   Positive | 13 | 14 | NS |
Distant metastasis | Â | Â | Â |
   Negative | 21 | 27 |  |
   Positive | 7 | 4 | NS |