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Multivariate analysis on overall survival for colorectal cancer patients undergoing surgery according to different variables.
| Hazard ratio | 95% I. C. § | p | |
| Surgical radicality* | 3.000 | 2.247–4.007 | <0.0001 |
| UICC tumour stage | 1.972 | 1.569–2.477 | <0.0001 |
| Tumour site# | 0.851 | 0.637–1.137 | 0.274 |
§I. C.: confidence interval
*R0 vs R1+R2 vs unresected patients
#Colon vs rectum vs multicentric cancer
