Table 1. Clinical characteristics of the breast cancer patients, treated tumors and surgical procedures.
| Variable | Characteristics* |
|---|---|
| Age | 55 (14) |
| Smoking | 10.6 |
| Alcohol habit (> 20g/day) | 2.0 |
| Arterial hypertension | 12.8 |
| Diabetes | 3.3 |
| Dyslipidemia | 14.1 |
| Chronic obstructive pulmonary disease | 1.6 |
| Ischemic heart disease | 1.6 |
| Hyperthyroidism | 4.6 |
| Menopause state: | |
| Premenopausal | 27.1 |
| Perimenopausal | 13.9 |
| Postmenopausal | 58.9 |
| Use of oral contraceptives | 56.3 |
| Tumor size (TNM system): | |
| T1 | 60.9 |
| T2 | 32.0 |
| T3 | 6.7 |
| T4 | 1.3 |
| Nodes (TNM system): | |
| N0 | 64.6 |
| N1 | 28.0 |
| N2 | 6.0 |
| N3 | 1.3 |
| Metastasis (TNM system): | |
| M0 | 96.0 |
| M1 | 4.0 |
| Pathological anatomy of the tumor: | |
| Ductal carcinoma in situ | 7.9 |
| Lobular carcinoma in situ | 0.7 |
| Invasive ductal carcinoma | 79.5 |
| Invasive lobular carcinoma | 1.3 |
| Papillar carcinoma | 6.6 |
| Others | 4.0 |
| Estrogen receptors: | |
| Negative | 15.3 |
| Positive | 84.7 |
| Progesterone receptors: | |
| Negative | 31.3 |
| Positive | 68.7 |
| Her2 receptor in tumor biopsy: | |
| Negative | 81.3 |
| Positive | 16.7 |
| Tumor molecular classification: | |
| Luminal A | 34.9 |
| Luminal B | 36.9 |
| Her2 positive | 16.8 |
| Triple negative | 11.4 |
| Adjuvant chemotherapy | 59.7 |
| Adjuvant hormone therapy | 85.3 |
| Neoadjuvant chemotherapy | 24.7 |
*Results are shown in frequencies except for age, which is shown as mean and standard deviation (in parenthesis)