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Table 2 NQO1 expression in breast cancers

From: Clinical implications of high NQO1 expression in breast cancers

Diagnosis No. of cases Positive cases Positive cases rates Strongly positive rates
   - + ++ +++   
Breast cancers 176 27 40 62 47 84.7%** 61.9%**
DCIS 45 22 9 10 4 51.1%* 31.1%*
Hyperplasia 22 14 5 3 0 36.7% 13.6%
Adjacent non-tumor 52 36 9 7 0 30.8% 13.5%
  1. DCIS: ductal carcinoma in situ.
  2. Positive rate: percentage of positive cases with +, ++, and +++ staining score. Strongly positive rate: (high-level expression) percentage of positive cases with ++ and +++ staining score.
  3. *p<0.05 and **p<0.01 compared with non-tumor tissues.