Table 1. Clinical data for the breast cancer group.
| Variables | BC patients (n = 572) | |
|---|---|---|
| Menarche status | ||
| 7 at 10 years old | 52 (9.1) | |
| 11 at 13 years old | 396 (69.2) | |
| 14 at 18 years old | 124 (21.7) | |
| Menopause status | ||
| Premenopausal | 216 (37.8) | |
| Postmenopausal | 356 (62.2) | |
| Family history of cancer | ||
| Breast* | 130 (22.7) | |
| Other type* | 118 (20.6) | |
| Body mass index (kg/m2) | ||
| 18–24.9 (normal weight) | 154 (26.9) | |
| 25–29.9 (overweight) | 149 (26.0) | |
| ≥ 30 (obesity) | 269 (47.0) | |
| Hormonal consumption* | 218 (38.1) | |
| Pregnancies status | ||
| ≤ 4 | 390 (68.2) | |
| ≥ 5 | 121 (21.2) | |
| nulliparity | 61 (10.7) | |
| Miscarriage* | 133 (23.3) | |
| Breastfeeding (months) | ||
| ≤ 6 | 213 (37.2) | |
| > 6 | 288 (50.3) | |
| No | 71 (12.4) | |
| Localization (breast left or right) | ||
| Unilaterality | 547 (95.6) | |
| Bilateral | 25 (4.4) | |
| Histology (adenocarcinoma) | ||
| Ductal | 526 (92.0) | |
| Lobular | 35 (6.1) | |
| Mixed | 11 (1.9) | |
| Tumor stage | ||
| I | 63 (11.0) | |
| II | 183 (32.0) | |
| III | 172 (30.1) | |
| IV | 154 (26.9) | |
| Lymph node status | ||
| Positive* | 413 (72.2) | |
| Molecular type | ||
| Luminal A | 224 (39.2) | |
| Luminal B | 145 (25.3) | |
| Her-2 | 93 (16.3) | |
| Triple negative | 110 (19.2) | |
| Ki-67 (≥ 20%) | 284 (49.7) | |
| Ki-67 (< 20%) | 288 (50.3) | |
| Chemotherapy status | ||
| Response | 230 (40.2) | |
| No response | 342 (59.8) | |
| Personal medical history | ||
| Benign breast disease- uterine fibroids* | 178 (31.1) | |
| DM2-hypertension* | 132 (23.1) | |
| Chemotherapy toxicity | ||
| Gastric | 355 (62.1) | |
| Hematologic | 217 (37.9) | |
Values are presented as number of patients (%).
BC = breast cancer; DM2 = type 2 diabetes mellitus.
*On base 572.