Table 6.
Effect of body mass index on the clinical and pathological features, manner of detection, implementation rate of preoperative examinations, and surgical approach in the postmenopausal population.
| Characteristics | UWn (%) | NWn (%) | OWn (%) | OBn (%) | Subtotaln (%) |
|---|---|---|---|---|---|
| 31 | 350 | 174 | 31 | 586 | |
| Tumor size | |||||
| ≤2 cm | 13 (41.9) | 112 (32.0) | 69 (39.7) | 1 (3.2) | 195 (33.3) |
| 2–5 cm | 16 (51.6) | 213 (60.9) | 82 (47.1) | 28 (90.3) | 339 (57.8) |
| >5 cm | 2 (6.5) | 25 (7.1) | 23 (13.2) | 2 (6.5) | 52 (8.9) |
| P value | 0.021** | ||||
| TNM stage | |||||
| Early (I + II) | 13 (41.9) | 158 (45.1) | 51 (29.3) | 11 (35.5) | 233 (39.8) |
| Advanced (III) | 18 (58.1) | 192 (54.9) | 123 (70.7) | 20 (64.5) | 353 (60.2) |
| P value | 0.006** | ||||
| Molecular subtype | |||||
| Luminal A | 13 (41.9) | 167 (47.7) | 94 (54.0) | 21 (67.7) | 295 (50.3) |
| Luminal B | 3 (9.7) | 55 (15.7) | 25 (14.4) | 6 (19.4) | 89 (15.2) |
| Her2 + | 3 (9.7) | 47 (13.4) | 13 (7.5) | 2 (6.5) | 65 (11.1) |
| TN | 12 (38.7) | 81 (23.1) | 42 (24.1) | 2 (6.5) | 137 (23.4) |
| P value | 0.049* | ||||
| Detection | |||||
| Physical examination | 0 (0.0) | 19 (5.4) | 15 (8.6) | 5 (16.1) | 39 (6.7) |
| Accidental | 10 (32.3) | 237 (67.7) | 121 (69.5) | 16 (51.6) | 384 (65.5) |
| Symptom based | 21 (67.7) | 94 (26.9) | 38 (21.8) | 10 (32.3) | 163 (27.8) |
| P value | <0.01*** | ||||
| Molybdenum target X-ray | |||||
| Used | 4 (12.9) | 62 (17.7) | 42 (24.1) | 15 (48.4) | 123 (21.0) |
| Not used | 23 (74.2) | 280 (80.0) | 127 (73.0) | 14 (45.2) | 444 (75.8) |
| Not clear | 4 (12.9) | 8 (2.3) | 5 (2.9) | 2 (6.5) | 19 (3.2) |
| P value | <0.01*** | ||||
| Surgical approach | |||||
| Radical mastectomy | 0 (0.0) | 10 (2.9) | 9 (5.2) | 2 (6.5) | 21 (3.6) |
| Modified radical mastectomy | 27 (87.1) | 323 (92.3) | 142 (81.6) | 20 (64.5) | 512 (87.4) |
| Simple mastectomy + SLNB | 3 (9.7) | 14 (4.0) | 15 (8.6) | 6 (19.4) | 38 (6.5) |
| Breast conservation surgery | 1 (3.2) | 3 (0.9) | 8 (4.6) | 3 (9.7) | 15 (2.6) |
| P value | <0.01*** |
UW, underweight; NW, normal weight; OW, overweight; OB, obese; TNM, tumor-node-metastasis; Her2, human epidermal growth factor receptor 2; TN, triple-negative; SLNB, sentinel lymph node biopsy. *Chi-square test; **rank-sum test; ***Fisher’s exact test.