Total group | N0 | N1 | p value | |
---|---|---|---|---|
Number | 77 | 62 | 15 | |
Mean age | 47.4 (22–75) | 47.3 (22–75) | 47 (34–71) | 0.918 |
Tumour stage | ||||
Stage IIB | ||||
T2 N1 | 15 | 13 | 2 | |
Stage IIIA | ||||
T2 N2 | 1 | 0 | 1 | |
T3 N1 | 25 | 18 | 7 | |
T3 N2 | 12 | 11 | 1 | |
Total | 38 | 29 | 9 | |
Stage IIIB | ||||
T4a N1 | 13 | 11 | 2 | |
T4a N2 | 9 | 8 | 1 | |
Total 22 | 19 | 3 | ||
Stage IIIC | ||||
T1 N3 | 1 | 0 | 1 | |
T3 N3 | 1 | 1 | 0 | |
Total | 2 | 1 | 1 | |
Histological type | ||||
IDC | 68 | 57 | 11 | 0.077 |
ILC | 6 | 3 | 3 | |
Others | 3 | 2 | 1 | |
Molecular subtype | ||||
Luminal A | 18 | 12 | 6 | 0.232 |
Luminal B | 12 | 10 | 2 | |
Her2+ | 24 | 22 | 2 | |
TNBC | 23 | 18 | 5 | |
Mean tumour size | 4.1 cm (1.2–11) | 4.2 cm (2.5–11) | 3.8 cm (1.2–7) | 0.876 |
Mean number of LNs | 12.8 | 12.9 | 12.4 | 0.806 |
Histological grade | ||||
Grade 2 | 57 | 45 | 12 | 0.094 |
Grade 3 | 11 | 11 | 0 | |
Unknown | 9 | 6 | 3 | |
Surgery | ||||
MRM | 64 | 54 | 10 | 0.058 |
CBS | 13 | 8 | 5 |