Table 3.
Cox proportional hazards models for relapse-free survival using the NKI 295 patient test data set – backwards selected model from Table 2B showing the final parameters
| Variable | DF | Estimate | Standard Error | Chi-Square | Pr > ChiSq | Hazard Ratio | 95% Hazard Ratio Confidence Limits | |
| Age | 1 | -0.05279 0.01751 | 9.0867 | 0.0026 | 0.949 | 0.917 | 0.982 | |
| Tsize | 1 | 0.50134 | 0.19171 | 6.8387 | 0.0089 | 1.651 | 1.134 | 2.404 |
| Treatment | 1 | -0.48902 0.19731 | 6.1425 | 0.0132 | 0.613 | 0.417 | 0.903 | |
| VEGF_3group | 1 | 0.46592 | 0.14522 | 10.2939 | 0.0013 | 1.593 | 1.199 | 2.118 |
| Gene70 | 1 | 0.80232 | 0.27062 | 8.7898 | 0.003 | 2.231 | 1.312 | 3.791 |
| Wound_Response | 1 | 0.89085 | 0.33694 | 6.9903 | 0.0082 | 2.437 | 1.259 | 4.717 |
| LumA_LumB | 1 | 0.8682 | 0.23035 | 14.2059 | 0.0002 | 2.383 | 1.517 | 3.742 |
| LumA_Normal | 1 | 0.67587 | 0.29743 | 5.1638 | 0.0231 | 1.966 | 1.097 | 3.521 |