Table 2.
Multivariable analysis of Breast Cancer Specific Survival and Overall survival in Model 1.
| Category | Breast Cancer Specific Survival Hazard Ratio (95% CIa) |
Overall Survival Hazard Ratio (95% CIa) |
|---|---|---|
| Age group | ||
| 80–85 | Reference | Reference |
| 86–90 | 1.03 (0.81–1.31) | 1.3 (1.1 to 1.52) |
| 91–95 | 1.38 (0.99–1.92) | 2.06 (1.66 to 2.57) |
| >95 | 1.26 (0.46–3.48) | 3.47 (2.06 to 5.83) |
| CCI Score | ||
| 0 | Reference | Reference |
| 1 | 1.14 (0.88–1.47) | 1.36 (1.14 to 1.64) |
| >=2 | 1.22 (0.96–1.56) | 1.85 (1.56 to 2.19) |
| Grade | ||
| 1 | Reference | Reference |
| 2 | 1.99 (1.26 to 3.14) | 1.42 (1.11 to 1.82) |
| 3 | 3.58 (2.26 to 5.7) | 2 (1.54 to 2.59) |
| Unknown | 3.66 (2.09 to 6.41) | 1.96 (1.36 to 2.82) |
| T Stage | ||
| T1 | Reference | Reference |
| T2 | 1.34 (1.03 to 1.76) | 1.3 (1.09 to 1.55) |
| T3 | 1.49 (1.03 to 2.16) | 1.45 (1.14 to 1.85) |
| T4 | 1.97 (1.39 to 2.79) | 1.61 (1.25 to 2.06) |
| Unknown | 1.51 (0.78–2.95) | 1.43 (0.86–2.39) |
| N Stage | ||
| N0 | Reference | Reference |
| N1 | 1.37 (1.06 to 1.76) | 1.13 (0.96–1.34) |
| N2 | 1.66 (1.17 to 2.37) | 1.31 (1.03 to 1.68) |
| N3 | 3.36 (2.29 to 4.94) | 2.81 (2.12 to 3.72) |
| Unknown | 2.37 (1.51 to 3.71) | 1.54 (1.11 to 2.15) |
| Surgery | ||
| No | Reference | Reference |
| Yes | 0.37 (0.27 to 0.51) | 0.5 (0.4 to 0.62) |
| Radiotherapy | ||
| No | Reference | Reference |
| Yes | 0.93 (0.73–1.2) | 0.83 (0.69 to 0.98) |
| Systemic Therapy | ||
| No | Reference | Reference |
| Yes | 0.75 (0.58 to 0.98) | 0.67 (0.56 to 0.81) |
Abbreviations a Confidence Interval, b Charlson Comorbidity Index,Bolded results represent a statistically significant difference.