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Table 3 Sensitivity of mammograms in detecting MCs in comparison to MCs identified in biopsy specimens

From: Mammographic microcalcifications and breast cancer tumorigenesis: a radiologic-pathologic analysis

Categorical variables

Microcalcifications (Pathology)

Test statistic

 

No

Yes

  
 

n

(%)

n

(%)

χ2

p-value

Microcalcifications (Mammography)

    

32.4

<0.001

No

134

(47.8)

147

(52.2)

  

Yes

41

(21.4)

150

(78.5)

  
  1. Bolded numbers indicate statistical significance. Of the 472 patients who had pathology samples available, 147 (31%) had a false negative result, where MCs were detected in pathology samples but not in mammography.