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Value of Ki67 before and after neoadjuvant chemotherapy
| Characteristics | n (%) | Median (IQR) | Mean ± SD | P |
| All patients | 92 (100.0) | 0.000* | ||
| Before | 30 (30–57) | 39 ± 22 | ||
| After | 20 (10–30) | 25 ± 20 | ||
| No relapse or metastasis | 60 (65.2) | 0.000* | ||
| Before | 40 (22–50) | 38 ± 21 | ||
| After | 20 (10–30) | 22 ± 19 | ||
| Relapse or metastasis | 32 (34.8) | 0.068 | ||
| Before | 30 (30–67) | 41 ± 24 | ||
| After | 30 (20–47) | 31 ± 20 |
