Impacts of LOC105371267 Variants on Breast Cancer Susceptibility in Northern Chinese Han Females: A Population-Based Case-Control Study
Table 1
Characteristics of breast cancer cases and cancer-free controls.
Variables
Breast cancer patients (n = 561)
Control (n = 555)
Age (years) (mean ± SD)
52.04 ± 9.82
51.84 ± 9.76
0.738
ER status, n (%)
Positive
380 (67.7)
Negative
172 (30.7)
Unavailable
9 (1.6)
PR status, n (%)
Positive
328 (58.5)
Negative
224 (39.9)
Unavailable
9 (1.6)
Ki67 status, n (%)
High
371 (66.1)
Low
154 (27.5)
Unavailable
36 (6.4)
Tumor size (cm), n (%)
>2
238 (42.4)
≤2
206 (36.7)
Unavailable
117 (20.9)
Tumor location, n (%)
Right
267 (47.6)
Left
284 (50.6)
Bilateral
8 (1.4)
Unavailable
2 (0.4)
Lymph nodes metastasis, n (%)
Positive
277 (49.4)
Negative
279 (49.7)
Unavailable
5 (0.9)
Distance metastasis, n (%)
M0
517 (92.2)
M1
39 (7.0)
Unavailable
5 (0.9)
TNM stage, n (%)
I-II
366 (65.2)
III-IV
161 (28.7)
Unavailable
34 (6.1)
Primary or recurrent, n (%)
Primary
424 (75.6)
Recurrent
22 (3.9)
Unavailable
112 (20.5)
ER: estrogen receptor; RP: progesterone receptor; SD: standard deviation. Note: a values were calculated by independent samples t-test; empty cells indicate data loss.