Table 2A. Multivariate cox regression of DFS.
| Univariate | Multivariate | |||
|---|---|---|---|---|
| HR (95% CI) | P value | HR (95% CI) | P value | |
| Tumor size | 0.026 | 0.030 | ||
| T1 | 1.000 | 1.000 | ||
| T2 | 2.292 (1.234, 4.257) | 0.009 | 2.226 (1.206, 4.111) | 0.011 |
| T3–4 | 2.321 (0.972, 5.543) | 0.058 | 2.299 (0.972, 5.437) | 0.058 |
| ALN status | 0.000 | 0.000 | ||
| N0 | 1.000 | 1.000 | ||
| N1 | 2.120 (1.046, 4.298) | 0.037 | 2.084 (1.044, 4.158) | 0.037 |
| N2 | 1.549 (0.657, 3.655) | 0.317 | 1.628 (0.765, 3.463) | 0.206 |
| N3 | 7.332 (2.994, 17.960) | 0.000 | 7.834 (3.589, 17.099) | 0.000 |
| Grade | 0.102 | 0.089 | ||
| I | 1.000 | 1.000 | ||
| II | 2.302 (0.850, 6.335) | 0.101 | 2.378 (0.873, 6.477) | 0.090 |
| III | 1.817 (0.996, 3.313) | 0.052 | 1.847 (1.015, 3.363) | 0.045 |
| Ki-67 | 0.000 | 0.000 | ||
| low | 1.000 | 1.000 | ||
| high | 2.952 (1.623, 5.274) | 0.000 | 2.835 (1.586, 5.068) | 0.000 |