Table I.
Clinicopathological parameters | Low RASEF group (n=41) | Others (n=126) | P-value |
---|---|---|---|
Age (years) | 0.847 | ||
≤60 | 26 | 82 | |
>60 | 15 | 44 | |
Histology | 0.231 | ||
DCIS | 1 | 6 | |
IDC | 39 | 109 | |
ILC | 0 | 6 | |
Others | 1 | 5 | |
UICC T factor | 0.031a | ||
Tis/T1 | 13 | 64 | |
T2/T3/T4 | 28 | 62 | |
Node status | 0.164 | ||
Negative | 17 | 68 | |
Positive | 24 | 58 | |
UICC pathological stage | 0.413 | ||
0/I/II | 34 | 97 | |
III/IV | 7 | 29 | |
ER status | <0.001a | ||
Positive | 21 | 106 | |
Negative | 20 | 20 | |
PgR status | <0.001a | ||
Positive | 17 | 98 | |
Negative | 24 | 28 | |
HER2 status | 0.873 | ||
Positive | 10 | 29 | |
Negative | 29 | 90 | |
Unknown | 2 | 7 | |
Triple-negative | <0.001a | ||
Yes | 13 | 5 | |
No | 27 | 121 | |
Unknown | 1 | 0 | |
Adjuvant therapy | 0.005a | ||
Endocrine therapy alone | 7 | 50 | |
Chemotherapy alone | 14 | 16 | |
Endocrine and chemotherapy | 15 | 49 | |
None | 5 | 11 |
χ2 test. RASEF, RAS and EF-hand domain-containingp; BC, breast cancer; DCIS, ductal carcinoma in situ; IDC, invasive ductal carcinoma; ILC, invasive lobular carcinoma; UICC, Union for International Cancer Control; Tis, carcinoma in situ; ER, estrogen receptor; PgR, progesterone receptor; HER2, human epidermal growth factor 2.