Prognostic factors | Univariate analysis | Multivariate analysis | ||||
---|---|---|---|---|---|---|
β | Hazard ratio (95% CI) | P value | β | Hazard ratio (95% CI) | P value | |
DFS | ||||||
 Age | 0.487 | 1.628 (0.632–4.193) | 0.313 |  |  |  |
 Gender | −0.375 | 0.687 (0.279–1.694) | 0.415 |  |  |  |
 Surgical procedure | 1.473 | 4.361 (1.597–11.909) | 0.004 |  |  |  |
 Tumor size | 1.445 | 4.240 (2.073–8.672) | < 0.001 | 1.721 | 5.590 (2.144–14.570) | < 0.001 |
 Mitotic index | 1.696 | 5.453 (2.065–14.400) | 0.001 |  |  |  |
 NIH risk category | 1.456 | 4.288 (1.594–11.531) | 0.004 |  |  |  |
 Adjuvant therapy | 0.544 | 1.724 (0.367–8.103) | 0.491 |  |  |  |
DSS | ||||||
 Age | 0.276 | 1.318 (0.432–4.019) | 0.627 |  |  |  |
 Gender | 0.008 | 1.008 (0.316–3.218) | 0.989 |  |  |  |
 Surgical procedure | 1.519 | 4.569 (1.260–16.569) | 0.021 |  |  |  |
 Tumor size | 2.142 | 8.515 (2.496–29.053) | 0.001 | 1.976 | 7.213 (2.138–24.338) | 0.001 |
 Mitotic index | 1.567 | 4.792 (1.428–16.087) | 0.011 |  |  |  |
 NIH risk category | 1.143 | 3.136 (1.150–8.552) | 0.026 |  |  |  |
 Adjuvant therapy | −3.181 | 0.042 (0.000–212.916) | 0.465 |  |  |  |