Table 2.
Demographic and clinical data for 1055 BC patients.
| Variables | Patients (n=1055) | No. of events | MST (days) | HR (95% CI) | Log-rank P |
|---|---|---|---|---|---|
| Race | 0.534 | ||||
| White | 732 | 109 | 3941 | Ref | |
| Others | 239 | 33 | 3873 | 1.132 (0.766–1.671) | |
| Missing | 84 | ||||
| Gender | 0.854 | ||||
| Female | 1043 | 148 | 3926 | Ref | |
| Male | 12 | 1 | NA | 0.832 (0.116–5.96) | |
| Age (years) | <0.001 | ||||
| ≥65 | 719 | 88 | 6456 | Ref | |
| <65 | 322 | 61 | 3418 | 2.18 (1.567–3.033) | |
| Missing | 14 | ||||
| Tumor stage | <0.001 | ||||
| I | 175 | 15 | 3959 | Ref | |
| II | 596 | 65 | 4267 | 1.71 (0.974–2.999) | |
| III | 241 | 43 | 3461 | 3.131 (1.738–5.641) | |
| IV | 20 | 15 | 1034 | 13.481 (6.572–27.654) | |
| Missing | 23 |
MST – median survival time; HR – hazard ratio; CI – confidence interval.