Characteristics | No. cases | 5 years survival rate (%) | p value | |
---|---|---|---|---|
Gender | Â | Â | Â | 0.129 |
 | Male | 37 | 35.10 |  |
 | Female | 23 | 47.80 |  |
Age (years) | Â | Â | 0.282 | |
 | ≤ 55 | 17 | 23.50 |  |
 | > 55 | 43 | 46.50 |  |
TNM classificationa | Â | Â | 0.012 | |
 | I | 12 | 75 |  |
 | II | 33 | 36.40 |  |
 | III | 15 | 20 |  |
Lymphatic metastases | Â | Â | 0.418 | |
 | Yes | 12 | 33.30 |  |
 | No | 48 | 41.70 |  |