|  | Odds ratio | (95% CI) | P |
---|---|---|---|---|
After EC + DOC | Â | Â | Â | Â |
 | Age (years) |  |  |  |
 |    <51 | 1.000 |  |  |
 |    51≤ | 0.800 | (0.192-3.333) | 0.7592 |
 | Cancer stage |  |  |  |
 |    II | 1.000 |  |  |
 |    III, IV | 5.750 | (1.028-32.174) | 0.0465 |
 | Tumor stage |  |  |  |
 |    T2 | 1.000 |  |  |
 |    T3 | 7.833 | (1.279-47.964) | 0.0260 |
 | Nodal status |  |  |  |
 |    N- | 1.000 |  |  |
 |    N+ | 6.286 | (0.730-54.110) | 0.0942 |
 | Subtype |  |  |  |
 |    Luminal A, B | 1.000 |  |  |
 |    HER2, Basal-like | 3.958 | (0.913-17.154) | 0.0659 |
 | DDR score |  |  |  |
 |    0, 1, 2 | 1.000 |  |  |
 |    3, 4 | 9.423 | (1.729-51.359) | 0.0095 |