Table 4 Final Multivariable Cox Regression Model Results.
Model Parameter | Reference or Units | Hazard Ratio (95% C.I.) | P-Value |
|---|---|---|---|
Nitrous Oxide | Nitrogen | 1.10 (0.66, 1.83) | 0.72 |
Age | 10 Years | 1.16 (0.93, 1.44) | 0.18 |
Tumor Grade | 1 | 0.73 (0.43, 1.25) | 0.25 |
Dissemination (Yes) | No | 5.6 (3.1, 10.2) | < 0.001 |
Invasion into Adjacent Organs (Yes) | No | 0.60 (0.30, 1.23) | 0.16 |
Invasion into Vessels (Yes) | No | 1.54 (0.87, 2.70) | 0.14 |
# involved Nodes | 1 Node | 1.16 (1.09, 1.24) | < 0.001* |