Table 3. Univariate and multivariate analyses for OS.
| Variables | Univariate | Multivariate | ||||||
|---|---|---|---|---|---|---|---|---|
| HR | 95%CI | P-value | HR | 95% CI | P-value | |||
| Lower | Upper | Lower | Upper | |||||
| Age (continue) | 1.005 | 0.990 | 1.021 | 0.477 | 1.249 | 0.685 | 2.276 | 0.469 |
| Tumor size(>20 vs. ≤20 mm) | 2.648 | 1.679 | 4.174 | <0.001 | 1.880 | 1.183 | 2.990 | 0.008 |
| Grade(III vs. I-II) | 1.242 | 0.916 | 1.683 | 0.163 | ||||
| LN status(pos vs. neg) | 4.718 | 3.080 | 7.226 | <0.001 | 2.222 | 1.9056 | 2.592 | <0.001 |
| ER (pos vs. neg) | 0.871 | 0.755 | 1.005 | 0.059 | ||||
| PR(posvs. neg) | 0.797 | 0.687 | 0.926 | 0.003 | 0.908 | 0.420 | 1.963 | 0.806 |
| HER2 status (pos vs. neg) | 1.118 | 0.881 | 1.419 | 0.360 | ||||
| ki67 (>14% vs. ≤14%) | 0.831 | 0.487 | 1.417 | 0.497 | ||||
| PD-L1 (pos vs. neg) | 2.262 | 1.598 | 3.203 | <0.001 | 1.788 | 1.195 | 2.674 | 0.005 |
| TNBC (yes vs. no) | 1.454 | 1.003 | 2.108 | 0.048 | 1.398 | 0.606 | 3.225 | 0.432 |
Abbreviation: LN, lymph node; pos, positive, neg, negative; TNBC, triple-negative breast cancer.