Table II.
General clinical data of patients.
| Clinical data | Breast cancer group (n=140) | Benign group (n=80) | χ2 value | P-value |
|---|---|---|---|---|
| Age | 35.34±16.54 | 32.13±13.24 | 1.577 | 0.117 |
| Menstrual status [n (%)] | 2.020 | 0.155 | ||
| Before menopause | 110 (78.57) | 56 (70.00) | ||
| After menopause | 30 (21.43) | 24 (30.00) | ||
| Lesion size (cm) | 0.42–5.44 | 0.59–5.22 | 0.229 | 0.819 |
| Lesion number [n (%)] | 7.356 | 0.007 | ||
| Single lesion | 74 (52.86) | 56 (70.00) | ||
| Multiple lesions | 66 (47.14) | 24 (30.00) | ||
| Tumor site | 0.094 | 0.759 | ||
| Left breast | 74 (52.86) | 44 (55.00) | ||
| Right breast | 66 (47.14) | 36 (45.00) | ||
| ER | 36.780 | <0.001 | ||
| Negative | 49 (35.00) | 62 (77.50) | ||
| Positive | 91(65.00) | 18 (22.50) | ||
| PR | 6.890 | 0.009 | ||
| Negative | 60 (42.86) | 49 (61.25) | ||
| Positive | 80 (57.14) | 31 (38.75) | ||
| Her-2 | 55.210 | <0.001 | ||
| Negative | 92 (65.71) | 11 (13.75) | ||
| Positive | 48 (34.29) | 69 (86.25) | ||
| Pathological classification [n (%)] | – | – | ||
| (WHO classification criteria for breast cancer) | ||||
| Invasive ductal carcinoma | 32 (22.86) | – | ||
| Intraductal carcinoma | 20 (14.29) | – | ||
| Medullary carcinoma | 5 (3.57) | – | ||
| Papillary carcinoma | 36 (25.71) | – | ||
| Simple carcinoma | 33 (23.57) | – | ||
| Apocrine carcinoma | 14 (10.00) | – | ||