Table 1.
Clinicopathologic Characteristics of 708 luminal breast cancers with HER2-negativity.
| Characteristics | Number (%) |
|---|---|
| Age(years) | |
| <50 | 346 (48.9) |
| ≥50 | 362 (51.1) |
| BMI | |
| <24 | 446 (63.0) |
| ≥24 | 262 (37.0) |
| Menopausal status | |
| Pre- | 362 (51.1) |
| Post- | 327 (46.2) |
| Unknown | 19 (2.7) |
| Tumor size | |
| <2cm | 449 (63.4) |
| ≥2cm | 259 (36.6) |
| Lymph node metastasis | |
| Negative | 607 (85.7) |
| Positive | 101 (14.3) |
| TNM grade | |
| I | 422 (59.6) |
| II | 224 (31.6) |
| III | 62 (8.8) |
| Histology type | |
| Infiltrating ductal carcinoma | 635 (89.7) |
| Infiltrating lobular carcinoma | 15 (2.1) |
| Others | 57 (8.1) |
| Luminal subtype | |
| Luminal A | 316 (44.6) |
| Luminal B | 392 (55.4) |
| Operation type | |
| Modified radical mastectomy | 375 (53.0) |
| Breast-conserving surgery | 249 (35.2) |
| Mammectomy | 72 (10.2) |
| Others | 12 (1.7) |
| Chemotherapy | |
| Neoadjuvant chemotherapy | 66 (9.3) |
| Adjuvant chemotherapy | 362 (51.1) |
| No chemotherapy | 280 (39.5) |
| Radiotherapy | |
| No | 310 (43.8) |
| Yes | 398 (56.2) |
| Characteristics | Number (%) |
| Age (years) | |
| <50 | 346 (48.9) |
| ≥50 | 362 (51.1) |
| BMI | |
| <24 | 446 (63.0) |
| ≥24 | 262 (37.0) |
| Menopausal status | |
| Pre- | 362 (51.1) |
| Post- | 327 (46.2) |
| Unknown | 19 (2.7) |
| Tumor size | |
| <2cm | 449 (63.4) |
| ≥2cm | 259 (36.6) |
| Lymph node metastasis | |
| Negative | 607 (85.7) |
| Positive | 101 (14.3) |
| TNM grade | |
| I | 422 (59.6) |
| II | 224 (31.6) |
| III | 62 (8.8) |
| Histology type | |
| Infiltrating ductal carcinoma | 635 (89.7) |
| Infiltrating lobular carcinoma | 15 (2.1) |
| Others | 57 (8.1) |
| Luminal subtype | |
| Luminal A | 316 (44.6) |
| Luminal B | 392 (55.4) |
| Operation type | |
| Modified radical mastectomy | 375 (53.0) |
| Breast-conserving surgery | 249 (35.2) |
| Mammectomy | 72 (10.2) |
| Others | 12 (1.7) |
| Chemotherapy | |
| Neoadjuvant chemotherapy | 66 (9.3) |
| Adjuvant chemotherapy | 362 (51.1) |
| No chemotherapy | 280 (39.5) |
| Radiotherapy | |
| No | 310 (43.8) |
| Yes | 398 (56.2) |