Characteristics | SLNB (n=176) | ALND (n= 180) | P(Chi-square test) |
---|---|---|---|
Mean age ± SD | 52.00 ± 9.61 | 47.00 ± 9.45 | 0.743 |
Axillary recurrence | 0.420 | ||
No | 171 | 172 | |
Yes | 5 | 8 | |
Recurrence | 0.049 | ||
No | 159 | 151 | |
Yes | 16 | 29 | |
T stage | 0.001 | ||
pT1 | 120 | 86 | |
pT2 | 45 | 78 | |
pT3 | 11 | 14 | |
pT4 | 0 | 2 | |
N stage | 0.001 | ||
pN0 | 127 | 91 | |
pN1 | 35 | 74 | |
pN2 | 7 | 6 | |
pN3 | 7 | 9 | |
Stage | 0.001 | ||
Stage I | 98 | 54 | |
Stage IIA | 41 | 63 | |
Stage IIB | 21 | 38 | |
Stage IIIA | 9 | 15 | |
Stage IIIB | 0 | 2 | |
Stage IIIC | 7 | 8 | |
Size of tumor, cm, mean ± SD | 2.06 ± 1.91 | 2.62 ± 1.70 | 0.019 |
Histology | 0.013 | ||
G1 | 47 | 27 | |
G2 | 73 | 96 | |
G3 | 43 | 48 | |
Nuclear | 0.104 | ||
G1 | 22 | 20 | |
G2 | 103 | 90 | |
G3 | 45 | 65 | |
ER | 0.833 | ||
Negative | 63 | 66 | |
Positive | 113 | 113 | |
PR | 0.311 | ||
Negative | 71 | 79 | |
Positive | 105 | 101 | |
IHC | 0.525 | ||
Negative/1+ | 92 | 89 | |
2+ | 38 | 47 | |
3+ | 46 | 41 | |
Lymphovascular invasion | 0.002 | ||
No | 113 | 63 | |
Yes | 86 | 94 |