Table 4.
Multivariate Cox Survival Analysis of Variables for Disease-Free Survival.
| HR | 95% CI of HR | P value | |
|---|---|---|---|
| Filter = 0 | |||
| Nodal metastasis | 2.0375 | 1.2441 to 3.3378 | 0.0047 |
| Average | 0.5599 | 0.3201 to 0.9791 | 0.042 |
| Standard deviation | 0.5745 | 0.3467 to 0.9521 | 0.0315 |
| Filter = 1 | |||
| Nodal metastasis | 2.1257 | 1.2988 to 3.4793 | 0.0027 |
| Average | 0.5532 | 0.3254 to 0.9406 | 0.0288 |
| Correlation | 1.9806 | 1.0785 to 3.6364 | 0.0275 |
| Filter = 1.5 | |||
| Nodal metastasis | 1.957 | 1.1917 to 3.2137 | 0.008 |
| Contrast | 0.4665 | 0.2822 to 0.7712 | 0.003 |
| Filter = 2 | |||
| Nodal metastasis | 2.1457 | 1.3117 to 3.5099 | 0.0024 |
| Standard deviation | 0.5540 | 0.3459 to 0.8874 | 0.014 |
| Filter = 2.5 | |||
| Nodal metastasis | 2.1814 | 1.3344 to 3.5660 | 0.0019 |
| Average | 0.5190 | 0.3161 to 0.8521 | 0.0095 |
Note: HR = hazard ratio.