Table 2.
Overall survival: univariate analysis.
| Variabile | HR [95% CI] | p-value |
|---|---|---|
| Age | 1.02 [0.95–1.09] | p = 0.57 |
| Tumor stage | ||
| T1a–b-is | Reference | |
| T1c | 0.89 [0.09–8.99] | p = 0.92 |
| T2 | 0.75 [0.08–7.18] | p = 0.80 |
| T4 | 10.58 [1.05–106.67] | p = 0.04 |
| Nodal stage | ||
| N0 | Reference | |
| N+ | 3.67 [0.99–13.60] | p = 0.05 |
| TNM stage | ||
| 0–I | Reference | |
| II | 2.10 [0.41–10.84] | p = 0.38 |
| III | 4.31 [0.83–22.38] | p = 0.08 |
| Grading | ||
| G1 | Reference | |
| G2 | 0.81 [0.20–3.25] | p = 0.77 |
| G3 | 2.29 [0.44–11.86] | p = 0.32 |
| Ki-67 | ||
| < 20 | Reference | |
| ≥ 20 | 1.41 [0.38–5.23] | p = 0.61 |
| Molecular profile | ||
| Luminal A | Reference | |
| Luminal B HER- | 1.06 [0.25–4.46] | p = 0.93 |
| Luminal B HER + | 2.58 [0.52–12.89] | p = 0.25 |
HR hazard ratio, CI confidence interval.