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Table 4 BI-RADS diagnostic categories distribution in the studied population

From: Optical imaging of the breast: evaluation of deoxyhemoglobin concentration alteration in 166 patients with suspicious breast lesions

  Mammography BI-RADS US BI-RADS Mammography/US BI-RADSa
Non-malignant lesions (n = 75)
 BI-RADS 0 16 2  
 BI-RADS 1 7 0  
 BI-RADS 2 4 3  
 BI-RADS 3 22 40 37
 BI-RADS 4 21 22 29
 BI-RADS 5 3 6 7
Malignant lesions (n = 101)
 BI-RADS 0 14 1  
 BI-RADS 1 6 0  
 BI-RADS 2 0 1  
 BI-RADS 3 3 3 3
 BI-RADS 4 19 20 15
 BI-RADS 5 59 76 83
Negative breasts (n = 155)
 BI-RADS 0 47 31 27
 BI-RADS 1 105 115 118
 BI-RADS 2 2 5 6
 BI-RADS 3 0 4 4
Total 331 331 331
  1. aThe higher BI-RADS value between mammography and US