Table 5.
Effect of body mass index on the clinical and pathological features, manner of detection, implementation rate of preoperative examinations, and surgical approach in the premenopausal population.
| Characteristics | UWn (%) | NWn (%) | OWn (%) | OBn (%) | Subtotaln (%) |
|---|---|---|---|---|---|
| 35 | 292 | 103 | 24 | 454 | |
| Molecular subtype | |||||
| Luminal A | 21 (60.0) | 155 (53.1) | 49 (47.6) | 9 (37.5) | 234 (51.5) |
| Luminal B | 6 (17.1) | 63 (21.6) | 17 (16.5) | 2 (8.3) | 88 (19.4) |
| Her2+ | 4 (11.4) | 27 (9.2) | 13 (12.6) | 2 (8.3) | 46 (10.1) |
| TN | 4 (11.4) | 47 (16.1) | 24 (23.3) | 11 (45.8) | 86 (18.9) |
| P value | 0.003* | ||||
| Surgical approach | |||||
| Radical mastectomy | 0 (0.0) | 7 (2.4) | 5 (4.9) | 1 (4.2) | 13 (2.9) |
| Modified radical mastectomy | 33 (94.3) | 269 (92.1) | 81 (78.6) | 19 (79.2) | 402 (88.5) |
| Simple mastectomy + SLNB | 2 (5.7) | 12 (4.1) | 11 (10.7) | 3 (12.5) | 28 (6.2) |
| Breast conservation surgery | 0 (0.0) | 4 (1.4) | 6 (5.8) | 1 (4.2) | 11 (2.4) |
| P value | 0.015*** |
UW, underweight; NW, normal weight; OW, overweight; OB, obese; Her2, human epidermal growth factor receptor 2; TN, triple-negative; SLNB, sentinel lymph node biopsy. *Chi-square test; ***Fisher’s exact test.