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. Author manuscript; available in PMC: 2015 Aug 15.
Published in final edited form as: Breast Cancer Res Treat. 2013 Feb 12;138(1):281–289. doi: 10.1007/s10549-012-2397-6

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 %)