Table 3. Univariate survival analysis of patient and tumour characteristics, stratified by the type of cancer.
| Rate ratio (95%CI) | P -value | |
|---|---|---|
| Colon cancer | ||
| Sex | ||
| Male | Reference | 0.09 |
| Female | 0.85 (0.71–1.02) | |
| Age | ||
| Continuous | 1.06 (1.05–1.07) | <0.001 |
| Comorbidity | ||
| No | Reference | <0.001 |
| Yes | 1.41 (1.17–1.70) | |
| Incidence year | ||
| Continuous | 1.07 (1.04–1.11) | <0.001 |
| Grade | ||
| I | Reference | <0.001 |
| II | 0.87 (0.65–1.15) | |
| III | 1.33 (0.96–1.85) | |
| Unknown | 1.65 (1.17–2.32) | |
| Stage | ||
| I | Reference | <0.001 |
| II | 1.26 (0.91–1.74) | |
| III | 1.76 (1.26–2.47) | |
| IV | 13.80 (10.07–18.91) | |
| Unknown | 6.30 (4.10–9.69) | |
| Chemotherapy | ||
| No | Reference | 0.5 |
| Yes | 1.08 (0.86–1.34) | |
| Surgery | ||
| No | Reference | <0.001 |
| Yes | 0.05 (0.04–0.06) | |
| Rectal cancer | ||
| Sex | ||
| Male | Reference | 0.3 |
| Female | 1.14 (0.89–1.48) | |
| Age | ||
| Continuous | 1.08 (1.07–1.09) | <0.001 |
| Comorbidity | ||
| No | Reference | <0.001 |
| Yes | 1.94 (1.52–2.48) | |
| Incidence year | ||
| Continuous | 1.06 (1.02–1.11) | 0.005 |
| Grade | ||
| I | Reference | 0.001 |
| II | 1.41 (0.85–2.33) | |
| III | 2.59 (1.48–4.53) | |
| Unknown | 1.72 (1.00–2.97) | |
| Stage | ||
| I | Reference | <0.001 |
| II | 2.01 (1.34–3.03) | |
| III | 1.85 (1.24–2.76) | |
| IV | 13.73 (9.33–20.20) | |
| Unknown | 9.66 (5.94–15.70) | |
| Radiotherapy | ||
| No | Reference | 0.004 |
| Yes | 0.70 (0.55–0.89) | |
| Surgery | ||
| No | Reference | <0.001 |
| Yes | 0.08 (0.06–0.10) | |