Table III. Univariate Cox proportional hazards results for disease-specific survival (excludes operative deaths).
| Variable | Hazard ratio* and 95% CI | P-value** |
|---|---|---|
| Proximal vs. Distal | 1.16 (0.80–1.69) | 0.44 |
| Node positive vs. Node negative | 2.19 (1.50–3.21) | <0.0001 |
| Positive margins vs. Negative margins | 3.18 (2.09–4.83) | <0.0001 |
| Well-differentiated vs. not Well-differentiated | 0.46 (0.29–0.74) | 0.001 |
| Size (continuous) | 0.97 (0.85–1.11) | 0.65 |
| Size ≥2.5 vs. Size <2.5 | 0.85 (0.56–1.30) | 0.45 |
| Length of stay (continuous) | 0.99 (0.97–1.02) | 0.60 |
| Length of stay ≥13 days vs. Length of stay <13 days | 1.00 (0.69–1.46) | 0.99 |
| Estimated blood loss in 100 cm3 (continuous) | 1.00 (0.98–1.02) | 0.96 |
| Estimate blood loss ≥800 cm3 vs. Estimated blood loss <800 cm3 | 0.98 (0.66–1.44) | 0.90 |
*Hazard ratio determined from univariate Cox proportional hazards model.
**P-value from Wald test.
P-Values < 0.05 highlighted in bold.