Clinical features | EGFR | Positive expression rate | P value | |
---|---|---|---|---|
 | negative | positive |  |  |
Ages | Â | Â | Â | 0.448 |
< 60 | 18 | 14 | 43.80% | Â |
≥60 | 9 | 9 | 50% |  |
Sex | Â | Â | Â | 0.445 |
Male | 16 | 15 | 48.40% | Â |
Female | 11 | 8 | 42.10% | Â |
Pathologic type | Â | Â | Â | 0.543 |
Squamous carcinoma | 13 | 8 | 38.10% | Â |
Adencarcinoma | 13 | 13 | 50.0% | Â |
Mixed type | 1 | 2 | 66.70% | Â |
Tumor length | Â | Â | Â | 0.535 |
≤3 cm | 9 | 7 | 43.80% |  |
> 3 cm | 18 | 16 | 47.10% | Â |
Level of Differentiation | Â | Â | Â | 0.474 |
Poor Differentiated | 6 | 4 | 40% | Â |
Moderate and Well Differentiated | 21 | 19 | 47.50% | Â |
TNM Stage | Â | Â | Â | 0.194 |
I-II | 10 | 5 | 33.30% | Â |
III-IV | 17 | 18 | 51.40% | Â |
Lymph node | Â | Â | Â | 0.006* |
N0 | 10 | 1 | 9.10% | Â |
N1-3 | 17 | 22 | 56.40% | Â |