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Table 3 Hormone Receptor status, HER2 status and Ki-67 index in DCIS and DCIS-Mi

From: Identification of biomarkers in ductal carcinoma in situ of the breast with microinvasion

  DCIS DCIS-Mi P-value
Estrogen Receptor    
   positive 38 (73.1%) 19 (67.9%) 0.62
   negative 14 (26.9%) 9 (32.1%)  
Progesterone Receptor    
   positive 37 (71.2%) 16 (57.1%) 0.21
   Negative 15 (28.9%) 12 (42.9%)  
c-erbB-2    
   0, 1+,2+ 43 (82.7%) 22 (78.6%) 0.65
   3+ 9 (17.3%) 6 (21.4%)  
Ki-67 index    
   positive rate % 17.9 ± 1.5 22.8 ± 2.0 0.052
   mean ± SD    
  1. DCIS = ductal carcinoma in situ; DCIS-Mi = ductal carcinoma in situ with microinvasion; SD = standard deviation.