Covariate | Â | n | Hazard ratio | 95%CI | P-value for OS |
---|---|---|---|---|---|
Age (years) | ≥70 | 22 | 1.111 | 0.552-2.234 | 0.770 |
 | <70 | 56 |  |  |  |
Gender | Male | 65 | 0.312 | 0.096-1.016 | 0.023* |
 | Female | 13 |  |  |  |
Effect of CRT | Effective | 56 | 0.191 | 0.098-0.370 | 0.0001*** |
 | Not effective | 22 |  |  |  |
Lymph-node | Positive | 34 | 2.624 | 1.382-4.983 | 0.002** |
metastasis | Negative | 44 | Â | Â | Â |
Distant metastasis | Positive | 12 | 3.988 | 2.001-7.947 | 0.0001*** |
 | Negative | 66 |  |  |  |
Depth of tumour | T3 | 40 | 0.308 | 0.157-0.602 | 0.0001*** |
invasion | T4 | 38 | Â | Â | Â |
Tumour location1 | Upper | 13 | 1.299 | 0.597-2.827 | 0.509 |
 | Lower | 65 |  |  |  |
BMI1 expression | positive | 24 | 3.347 | 1.775-6.313 | 0.0001*** |
 | negative | 54 |  |  |  |