Table 1.
Clinicopathologic characteristics
| Parameter | All patients |
|---|---|
| (n = 130) | |
| Age, mean (95% CI), y | 50 (48-52) |
| Race, n (%) | |
| NH white | 82 (63) |
| NH black | 25 (19) |
| NH Asian | 16 (12) |
| Other | 7 (5) |
| Menopausal status, n (%) | |
| Premenopausal | 62 (49) |
| Postmenopausal | 65 (51) |
| Histopathology | |
| Invasive mammary carcinoma, no special type | 120 (94) |
| Combined histologic grade, n (%) | |
| Low | 1 (1) |
| Intermediate | 23 (18) |
| High | 101 (81) |
| Stage, n (%) | |
| II | 87 (67) |
| III | 43 (33) |
| Surgery, n (%) | |
| Lumpectomy | 76 (59) |
| Mastectomy | 53 (41) |
| Lymphovascular invasion at surgery, n (%) | 36 (50) |
| Any form of systemic therapy, n (%) | 126 (97) |
| Neoadjuvant chemotherapy, n (%) | 68 (51) |
| Adjuvant chemotherapy, n (%) | 93 (72) |
| Both neoadjuvant and adjuvant chemotherapy, n (%) | 33 (25) |
| RT target region, n (%) | |
| Whole breast or chest wall | 33 (27) |
| With nodal coverage | 89 (73) |
| RT tumor bed dose, median (IQR), Gy | 60.4 (60.0-60.8) |
Abbreviations: CI = confidence interval; IQR = interquartile range; NH = non-Hispanic; RT = radiation therapy.