| Hazard Ratio | 95% Confidence Interval | p |
---|---|---|---|
Urgency of operation | 1.68 | 1.20 - 2.36 | 0.0025 |
Depth of tumor invasion | 1.84 | 1.30 - 2.60 | 0.0006 |
Tumor type | 1.98 | 0.96 - 3.96 | 0.0617 |
Lymphovascular permeation | 2.09 | 1.48 - 2.96 | 0.0001 |
Lymph nodes examined ≥ 21 | 2.08 | 1.36 - 3.33 | 0.0025 |