| Multivariate analysis |  | ||
---|---|---|---|---|
Variable | HR | 95% CI | p value | |
Lower | Upper | |||
Overall survival | ||||
 Age | 0.291 | 0.051 | 1.667 | 0.166 |
 Sex | 0.308 | 0.054 | 1.740 | 0.182 |
 Stage | 4.702 | 1.695 | 13.041 | 0.003 |
 Location | 2.970 | 0.985 | 8.951 | 0.053 |
 Differentiation | 0.599 | 0.030 | 11.897 | 0.737 |
 DNA methylation | 1.005 | 1.001 | 1.010 | 0.028 |
 mRNA expression | 0.196 | 0.055 | 0.704 | 0.012 |
Cancer specific survival | ||||
 Age | 0.198 | 0.025 | 1.584 | 0.127 |
 Sex | 0.245 | 0.035 | 1.718 | 0.157 |
 Stage | 7.658 | 2.083 | 28.161 | 0.002 |
 Location | 4.055 | 1.257 | 13.083 | 0.019 |
 Differentiation | 0.463 | 0.017 | 12.307 | 0.646 |
 DNA methylation | 1.006 | 1.001 | 1.011 | 0.025 |
 mRNA expression | 0.142 | 0.035 | 0.587 | 0.007 |
Recurrence-free survival | ||||
 Age | 0.360 | 0.088 | 1.473 | 0.155 |
 Sex | 0.358 | 0.095 | 1.345 | 0.128 |
 Stage | 9.385 | 3.249 | 27.112 | < 0.000 |
 Location | 2.338 | 0.941 | 5.809 | 0.067 |
 Differentiation | 0.873 | 0.143 | 5.338 | 0.883 |
 DNA methylation | 1.004 | 1.000 | 1.008 | 0.045 |
 mRNA expression | 0.289 | 0.100 | 0.837 | 0.022 |