Table 5. Multivariate Cox proportional hazards regression analysis for the effect of ultrasonographic, clinicopathologic and genomic characteristics on the RFS and OS of all TNBC patients (N=109).
| Variables | RFS | Death | |||
|---|---|---|---|---|---|
| HR (95% CI) | P | HR (95% CI) | P | ||
| Tumor size (≤2 vs. >2 cm) | 1.70 (0.56–5.15) | 0.349 | 1.89 (0.48–7.43) | 0.364 | |
| US features group (with vs. no malignant features) | 2.25 (0.57–8.88) | 0.246 | 5.31 (0.59–47.55) | 0.135 | |
| LNM (yes vs. no) | 6.94 (2.24–21.48) | 0.001* | 6.06 (1.63–22.54) | 0.007* | |
| Radiotherapy (yes vs. no) | 1.28 (0.52–3.13) | 0.589 | 1.90 (0.74–4.88) | 0.183 | |
| Genomic subgroup (BLIS vs. non-BLIS) | 4.59 (1.60–13.16) | 0.005* | 5.71 (1.70–19.11) | 0.005* | |
* indicates statistical significance.