Table 1.
Comparison of characteristics between african american and Caucasian women
| Race | AA (n = 146) | CA (n = 344) | p |
|---|---|---|---|
| Menopausal status | 0.39 | ||
| Premenopausal | 49 (33.6 %) | 120 (34.9 %) | |
| Postmenopausal | 88 (60.3 %) | 191 (55.5 %) | |
| Unknown | 9 (6.10 %) | 33 (9.60 %) | |
| Age (median in years, range) | 53, 27–84 | 53, 23–98 | 0.43 |
| Median days from imaging to biopsy diagnosis (range) | 7 (0–80) | 8 (0–137) | 0.82 |
| Median days from biopsy diagnosis to surgery in those without | 26 (0–326) | 21 (0–453) | 0.01 |
| Neoadjuvant chemotherapy (range) | (n = 88) | (n = 216) | |
| Median days from biopsy diagnosis to surgery in those with | 174 (89–271) | 165 (8–574) | 0.23 |
| Neoadjuvant chemotherapy (range) | (n = 41) | (n = 98) | |
| Chemotherapy for stage I–III disease | 0.21 | ||
| Neoadjuvant and adjuvant chemotherapy | 9 (6.6 %) | 21 (6.4 %) | |
| Neoadjuvant chemotherapy alone | 35 (25.5 %) | 82 (25.0 %) | |
| Adjuvant chemotherapy alone | 67 (48.9 %) | 186 (56.7 %) | |
| No chemotherapy | 26 (19.0 %) | 39 (11.9 %) | |
| (n = 137) | (n = 328) | ||
| Response to neoadjuvant chemotherapy | 0.89 | ||
| pCR | 11/44 (25.0 %) | 22/103 (21.4 %) | |
| Pathological stage | 0.42 | ||
| pCR | 11 (7.53 %) | 23 (6.69 %) | |
| I | 39 (26.7 %) | 113 (32.8 %) | |
| IIA | 40 (27.4 %) | 86 (25.0 %) | |
| IIB | 22 (15.1 %) | 34 (9.88 %) | |
| III | 24 (16.4 %) | 67 (19.5 %) | |
| IV | 9 (6.16 %) | 16 (4.65 %) | |
| Unknown | 1 (0.68 %) | 5 (1.45 %) | |
| Histology grade | 0.98 | ||
| I/II | 20 (13.7 %) | 46 (13.4 %) | |
| III | 125 (85.6 %) | 290 (84.3 %) | |
| Unknown | 1 (0.68 %) | 8 (2.33 %) |