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Table 1 AA and Non-AA patient information

From: Quantitative assessment of the immune microenvironment in African American Triple Negative Breast Cancer: a case–control study

Characteristic African American, N = 49a Non-African American, N = 51a p valueb
Age 59 (47,66) 55 (49,66) 0.8
Ethnicity 0.3
 Hispanic or Latino 1 (2%) 0(0%)  
 Non-Hispanic 40 (82%) 38 (75%)  
 Unknown 8 (16%) 13 (25%)  
BMI 31.0 (27.0, 35.3) 26.6 (24.0, 31.9) 0.009
 Unknown 12 12  
Stage (AJCC 8th edition) 0.5
 IA 17 (35%) 18 (35%)  
 IIA 17 (35%) 19 (37%)  
 IIB 13 (27%) 8 (16%)  
 IIIA 2 (4.1%) 4 (7.8%)  
 IIIB 0 (0%) 2 (3.9%)  
Grade 0.3
 2 6 (12%) 10 (20%)  
 3 43 (88%) 41 (80%)  
Histology 0.6
 AdenoSquamous 1 (2.2%) 0 (0%)  
 Fibromatoid nodule 1 (2.2%) 0 (0%)  
IDC 40 (87%) 44 (86%)  
 IDC-medullary 1 (2.2%) 0 (0%)  
 IDC-micropapillary 1 (2.2%) 3 (5.9%)  
 ILC 0 (0%) 1 (2.0%)  
 IMC 2 (4.3%) 1 (2.0%)  
 Metaplastic 0 (0%) 1 (2.0%)  
 Squamoid 0 (0%) 1 (2.0%)  
 Unknown 3 0  
Chemotherapy 37 (76%) 38 (81%) 0.5
 Unknown 0 7  
XRT 41 (84%) 31 (70%) 0.13
 Unknown 0 7  
Follow up (years) 6.1 (2.9, 11.0) 5.4 (1.9, 10.2) 0.2
 Unknown 1 0  
  1. aMedian (IQR); n (%)
  2. bWilcoxon rank sum test; Fisher’s exact test; Pearson’s Chi-squared test