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Table 3 NQO1 immunohistochemical results

From: ATBF1 and NQO1 as candidate targets for allelic loss at chromosome arm 16q in breast cancer: Absence of somatic ATBF1 mutations and no role for the C609T NQO1 polymorphism

NQO1 score nr cases   
0 (negative) 152 (43%)   
1 (weak) 132 (37%)   
2 (strong) 70 (20%)   
total 354   
  Grade 1 Grade 2 or 3 p-value
0 or 1 97 (35%) 179 (65%) 0.005
2 12 (18%) 56 (82%)  
  HER2-negative HER2-positive  
0 or 1 218 (82%) 48 (18%) 0.005
2 43 (66.2%) 22 (34%)  
  PR-negative PR-positive  
0 or 1 134 (49%) 137 (51%) 0.024*
2 44 (65%) 24 (35%)  
  1. * not significant after Bonferroni correction