Table 1 Demographic characteristics of breast cancer patients
Variable | NHBC | HBC | Total | ||
|---|---|---|---|---|---|
CHBC | NCHBC | CHBC + NCHBC | |||
Patients, n | 152 | 18 | 20 | 38 | 190 |
Ages, years | 61.69 ± 14.34 | 49.06 ± 6.42 | 60.75 ± 9.95 | 55.21 ± 10.24 | 60.41 ± 13.85 |
Anatomical site | |||||
Left | 90 (59.21%) | 11 (61.11%) | 8 (40%) | 19 (50%) | 109 (57.37%) |
Right | 62 (40.79%) | 7 (38.89%) | 12 (60%) | 19 (50%) | 81 (42.63%) |
Pathologic types, n | |||||
Invasive ductal carcinoma | 116 (76.32%) | 11 (61.11%) | 15 (75%) | 26 (68.42%) | 142 (74.74%) |
Ductal carcinoma in situ | 21 (13.82%) | 6 (33.33%) | 4 (20%) | 10 (26.32%) | 31 (16.32%) |
Mucinous carcinoma | 8 (5.26%) | 0 | 1 (5%) | 1 (2.63%) | 9 (4.74%) |
Intraductal papillary carcinoma | 5 (3.29%) | 1 (5.56%) | 0 | 1 (2.63%) | 6 (3.16%) |
Medullary carcinoma | 2 (1.31%) | 0 | 0 | 0 | 2 (1.04%) |
Cell differentiation, n | |||||
Grade I/high-level | 11 (7.24%) | 3 (16.66%) | 1 (5%) | 4 (10.53%) | 15 (7.89%) |
Grade II/middle-level | 89 (58.55%) | 12 (66.67%) | 9 (45%) | 21 (55.26%) | 110 (57.89%) |
Grade III/low-level | 52 (34.21%) | 3 (16.66%) | 10 (50%) | 13 (34.21%) | 65 (34.22%) |
Pathological stages | T0–3N0–3M0 | T0–3N0–3M0 | T0–3N0–3M0 | ||
Lymph node metastasis, n | |||||
Positive | 51 (33.55%) | 10 (55.55%) | 10 (50%) | 20 (52.63%) | 71 (37.37%) |
Negative | 101 (66.45%) | 8 (44.45%) | 10 (50%) | 18 (47.37%) | 119 (62.63%) |