Research Article
Undertreated Breast Cancer in the Elderly
Table 6
Cox regression of potential prognostic factors in patients over 70 (
values).
| Variable | Local recurrence | Distant recurrence |
| Histopathology | 0.043 | 0.702 | Tumor differentiation | 0.855 | 0.571 | Tumor size (cm) | 0.520 | 0.006 | Involved nodes† | 0.306 | <0.001 | Estrogen receptor positive | <0.001 | 0.008 | Postoperative chemotherapy | 0.517 | 0.198 | Tamoxifen | 0.091 | 0.375 | Radiation therapy | 0.620 | 0.375 | Undertreatment | 0.150 | 0.818 |
|
|
†Invasive tumors.
|