Table 2.
Multivariate Cox analysis of variables considered for disease-free survival rates of breast cancer patients
| Variables | Category | Multivariate | |||
|---|---|---|---|---|---|
| HR | 95% CI lower | 95% CI upper | P value | ||
| Age | >40 vs. ≤40 years | 0.645 | 0.218 | 1.91 | 0.429 |
| Tumor size | >2 vs. ≤2 cm | 1.743 | 0.402 | 7.548 | 0.458 |
| LN status | Positive vs. Negative | 3.435 | 0.723 | 16.324 | 0.121 |
| TNM stage | Stage II–III vs. I | 0.387 | 0.065 | 2.313 | 0.298 |
| Grade | Grade II–III vs. I | 0.105 | 0.018 | 0.613 | 0.012 |
| ER status | Positive vs. Negative | 0.767 | 0.141 | 4.182 | 0.759 |
| PR status | Positive vs. Negative | 0.258 | 0.044 | 1.528 | 0.135 |
| HER2 status | Positive vs. Negative | 1.451 | 0.203 | 10.381 | 0.711 |
| Ki-67 status | >14% vs. ≤14% | 3.418 | 0.823 | 14.193 | 0.091 |
| Molecular subtype | TNBC vs. non-TNBC | 4.459 | 0.48 | 41.439 | 0.189 |
| Hsa_circ_001783 | High vs. ≤Low | 9.114 | 2.428 | 34.206 | 0.001 |
LN lymph node, ER estrogen receptor, PR progesterone receptor, HER2 human epidermal growth factor receptor 2, HR hazard ratio, CI confidence interval, TNBC triple-negative breast cancer