Characteristic | No | 5-year survival rate (%) | p Value |
Age (years) | |||
<55 | 108 | 37.3 | 0.598 |
≥55 | 114 | 40.0 | |
Gender | |||
Female | 72 | 45.4 | 0.358 |
Male | 150 | 36.7 | |
Location of tumour | |||
Upper | 6 | 66.7 | 0.635 |
Middle | 146 | 35.4 | |
Lower | 70 | 43.2 | |
Tumour size | |||
<5 cm | 112 | 46.7 | 0.02* |
≥5 cm | 110 | 31.9 | |
Histology | |||
G1, well-differentiated | 57 | 54.2 | 0.002** |
G2, moderate differentiation | 139 | 37.5 | |
G3, poor differentiation | 26 | 17.3 | |
TNM stage | |||
I and II | 99 | 57.5 | 0.000** |
III and IV | 123 | 24.3 | |
Surgery | |||
Radical | 195 | 42.1 | 0.000** |
Palliative | 27 | 20.8 |
*p<0.05; **p<0.01.
TNM, tumour, node, metastasis.