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Table 1 Descriptive statistics of women with breast cancer according to tumor subgroup

From: Triple negative breast carcinoma is a prognostic factor in Taiwanese women

Features Total
(n)
Tumor subgroup p-value
    TNBC
(n = 167)
non-TNBC
(n = 881)
 
Age, years (SD)    51.97 (13.04) 51.73 (11.79) 0.81
Tumor size, cm (%)
  <2.0 446 46.1 46.3 0.9651
  ≥2.0 517 53.9 53.7  
  Other or Unknown 85    
Lymph node (%)
  Negative 553 70.1 54.8 0.0004*
  Positive 413 29.9 45.2  
  Other or Unknown 82    
Number of axillary lymph nodes involved (n)
  1–3 210 45.7 51.8 0.6848
  4–9 122 34.8 29.0  
  10+ 79 19.6 19.2  
Average number of axillary lymph nodes involved per node-positive patient 6.17 (5.91) 6.19 (7.92) 0.99
Metastasis (%)
  No 938 96.8 97.8 0.4781
  Yes 23 3.2 2.2  
  Unknown 87    
Metastasis site (n)
  Bone 9 1 8  
  Lung 1 1 0  
  Liver 2 0 2  
  Other 2 0 2  
  Multiple 5 1 4  
  Unknown 4 2 2  
Grade (%)
  I ~II 693 43.4 73.8 <0.0001
  III 311 56.6 26.2  
  Unknown 44    
Stage
  < II 315 35.1 32.7 0.5622
  ≥ II 638 64.9 67.3  
  Unknown 95    
Estrogen receptor (ER)
  Negative 369 100 23  
  Positive 675 0 77  
Progesterone receptor (PR)
  Negative 383 100 25  
  Positive 661 0 75  
Her2/neu gene (HER2) overexpression
  Negative 789 100 71  
  Positive 259 0 29  
Histological types
  Infiltrating duct carcinoma, NOS 939 91.6 89.2  
  Lobular Carcinoma, NOS 24 0 2.7  
  Mucinous adenocarcinoma 24 0 2.7  
  Infiltrating duct mixed with other types of carcinoma 18 1.8 1.7  
  Others 43 6.6 3.6