Table 1. Descriptive characteristics of BC patients.
| Characteristics | N | % |
|---|---|---|
| Sex | ||
| Female | 118 | 98.3 |
| Male | 1 | 0.8 |
| Missing value | 1 | 0.8 |
| Age | ||
| Median (min-max) | 49 (27–80) | |
| Laterality | ||
| Bilateral | 2 | 1.7 |
| Right | 48 | 40.0 |
| Left | 69 | 57.5 |
| Missing value | 1 | 0.8 |
| Histology | ||
| Ductal | 111 | 92.5 |
| Lobular | 7 | 5.8 |
| Missing value | 2 | 1.7 |
| ER | 85 | 70.8 |
| Missing value | 35 | 29.2 |
| PR | 92 | 76.7 |
| Missing value | 28 | 23.3 |
| HER2 | ||
| HER2- | 80 | 66.7 |
| HER2+ | 38 | 31.7 |
| Missing value | 2 | 1.7 |
| IHC | ||
| HER2+ | 21 | 17.5 |
| Luminal A | 8 | 6.7 |
| Luminal B | 69 | 57.5 |
| TN | 20 | 16.7 |
| Missing value | 2 | 1.7 |
| Group | ||
| GA | 86 | 71.7 |
| GB | 34 | 28.3 |
| Protocol | ||
| Mixed | 14 | 11.7 |
| Mono | 12 | 10.0 |
| Standard | 86 | 71.7 |
| TAS | 8 | 6.7 |
| Evaluation | ||
| NCR | 4 | 3.3 |
| CR | 40 | 33.3 |
| PaR | 73 | 60.8 |
| Missing value | 3 | 2.5 |
| Delay to surgery | ||
| Median (min-max) | 2 (1–10) mois | |
| Missing value | 58 | 48.3 |
| Surgery | ||
| Patey | 99 | 82.5 |
| Tumorectomy | 20 | 16.7 |
| Missing value | 1 | 0.8 |
| TPCR | ||
| No | 79 | 65.8 |
| Yes | 40 | 33.3 |
| Missing value | 1 | 0.8 |
| NPCR | ||
| No | 58 | 48.3 |
| Yes | 62 | 51.7 |
| SBR | ||
| I | 2 | 1.7 |
| II | 72 | 60.0 |
| III | 25 | 20.8 |
| Missing value | 21 | 17.5 |
| LVI | ||
| LVI- | 45 | 37.5 |
| LVI+ | 38 | 31.7 |
| Missing value | 37 | 30.8 |
| cT stage | ||
| T1C | 1 | 0.8 |
| T2 | 13 | 10.8 |
| T3 | 20 | 16.7 |
| T4A | 2 | 1.7 |
| T4B | 57 | 47.5 |
| T4C | 2 | 1.7 |
| T4D | 20 | 16.7 |
| Missing value | 5 | 4.2 |
| cN stage | ||
| N0 | 49 | 40.8 |
| N1 | 50 | 41.7 |
| N2 | 14 | 11.7 |
| N3 | 3 | 2.5 |
| Missing value | 4 | 3.3 |
| pT stage | ||
| T0 | 32 | 26.7 |
| T1 | 12 | 10.0 |
| T1A | 2 | 1.7 |
| T2 | 46 | 38.3 |
| T3 | 23 | 19.2 |
| T4B | 2 | 1.7 |
| Missing value | 3 | 2.5 |
| pN stage | ||
| N0 | 61 | 50.8 |
| N1 | 24 | 20.0 |
| N2 | 21 | 17.5 |
| N3 | 12 | 10.0 |
| Missing value | 2 | 1.7 |
| Sataloff T | ||
| TA | 36 | 30.0 |
| TB | 44 | 36.7 |
| TC | 28 | 23.3 |
| TD | 12 | 10.0 |
| Sataloff N | ||
| NA | 55 | 45.8 |
| NB | 22 | 18.3 |
| NC | 26 | 21.7 |
| ND | 17 | 14.2 |