Characteristics | N (%) | DFS | |||
---|---|---|---|---|---|
Uv | Mv | ||||
P | HR (95% CI) | P | HR (95% CI) | ||
Age, years | 0.181 | ||||
≤ 50 | 146 (68.5) | 1.00 | |||
> 50 | 67 (31.5) | 0.645 (0.340–1.226) | |||
Initial tumor stage | 0.649 | ||||
T1 | 38 (17.8) | 1.00 | |||
T2 | 107 (50.2) | 0.364 | 1.436 (0.658–3.136) | ||
T3 or T4 | 68 (31.9) | 0.428 | 1.413 (0.601–3.321) | ||
Initial node status | 0.037 | 0.481 | |||
Negative | 26 (12.2) | 1.00 | 1.00 | ||
Positive | 187 (87.8) | 4.506 (1.093–18.570) | 1.839 (0.338–9.992) | ||
Nuclear grade | 0.246 | ||||
1 or 2 | 73 (34.3) | 1.00 | |||
3 | 55 (25.8) | 1.475 (0.765–2.845) | |||
NA | 85 (39.9) | – | – | ||
Histology | 0.877 | ||||
IDC | 183 (85.9) | 1.00 | |||
Mixed | 17 (8.0) | 0.802 | 1.126 (0.446–2.841) | ||
Other | 13 (6.1) | 0.639 | 1.277 (0.459–3.554) | ||
Initial HER2 status | 0.618 | ||||
Negative | 182 (85.4) | 1.00 | |||
Positive | 31 (14.5) | 1.200 (0.586–2.456) | |||
Initial Ki-67 status | 0.584 | ||||
< 15% | 57 (26.8) | 1.00 | |||
≥ 15% | 156 (73.2) | 1.191 (0.638–2.223) | |||
NAC regimens | 0.058 | ||||
Anthracycline-based | 65 (30.5) | 1.00 | |||
Anthracycline- and Taxane-based | 133 (62.4) | 0.895 | 0.959 (0.512–1.797) | ||
Taxane-based | 15 (7.0) | 0.043 | 2.561 (1.032–6.357) | ||
Any receptor conversion | 0.017 | 0.031 | |||
No | 167 (78.4) | 1.00 | 1.00 | ||
Yes | 46 (21.6) | 1.995 (1.130–3.521) | 1.881 (1.058–3.342) | ||
Tumor size at surgery | 0.694 | ||||
≤ 2 cm | 88 (41.3) | 1.00 | |||
> 2 and ≤ 5 cm | 114 (53.5) | 0.393 | 1.282 (0.725–2.267) | ||
> 5 cm | 11 (5.2) | 0.806 | 1.165 (0.344–3.944) | ||
Node status at surgery | 0.005 | 0.095 | |||
Negative | 49 (23.0) | 1.00 | 1.00 | ||
Positive | 164 (77.0) | 3.774 (1.498–9.507) | 2.556 (0.846–7.698) | ||
HER2 status at surgery | 0.587 | ||||
Negative | 184 (86.4) | 1.00 | |||
Positive | 29 (13.6) | 0.790 (0.338–1.848) | |||
Ki-67 status at surgery | 0.405 | ||||
< 15% | 116 (54.5) | 1.00 | |||
≥ 15% | 97 (45.5) | 1.255 (0.736–2.142) | |||
Radiotherapy | 0.031 | 0.329 | |||
No | 57 (26.8) | 1.00 | 1.00 | ||
Yes | 156 (73.2) | 2.280 (1.076–4.831) | 1.476 (0.675–3.227) |