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Table 1 Aromatase mRNA expression and clinicopathologic factors in patients with invasive ductal carcinoma

From: Quantitative determination, by real-time reverse transcription polymerase chain reaction, of aromatase mRNA in invasive ductal carcinoma of the breast

Factor n Aromatase mRNA (mean ± standard deviation) P (Mann–Whitney U-test)
Age (years)    
   > 50 104 29 ± 60 0.0042*
   ≤ 50 58 14 ± 24  
Axillary lymph node status    
   - 103 30 ± 62 0.010*
   + 59 13 ± 20  
Tumor size    
   < 2 cm 43 29 ± 54 0.042*
   ≥ 2 cm 119 22 ± 50  
ER-α status    
   + 108 28 ± 59 0.0021*
   - 47 13 ± 20  
PgR status    
   + 87 24 ± 44 0.63
   - 62 25 ± 63  
Histologic grade    
   1 or 2 113 24 ± 50 0.11
   3 49 24 ± 54  
  1. Estrogen receptor (ER)-α status and progesterone receptor (PgR) status were determined histochemically. *P < 0.05.
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