Table 7 Comparison of clinical and image-guided biopsy technical data between upgraded and no-upgrade patients

From: Diagnostic value of radiomics and machine learning with dynamic contrast-enhanced magnetic resonance imaging for patients with atypical ductal hyperplasia in predicting malignant upgrade

Imaging feature Upgrade status p-value
Overall No-upgrade Upgrade
Associated malignancy     0.2
 Ipsilateral 22 (15.8) 15 (13.5) 7 (25)  
 Contralateral 44 (31.7) 34 (30.6) 10 (35.7)  
 None 55 (39.5) 48 (43.2) 7 (25)  
 History of breast cancer 18 (12.9) 14 (12.6) 4 (14.2)  
Needle caliber     0.9
 9 G 123 (88) 99 (89) 24 (86)  
 12 G 11 (7.9) 8 (7,2) 3 (11)  
 14 G 5 (3.6) 4 (3.6) 1 (3.6)  
Size (mm) 15 (3–70) 9 (3–56) 11 (4–70) 0.077
No. of specimens 8 ± 2.7 9 (2–18) 8 (3–9) 0.003
  1. Size and number of specimens are reported as median values with associated ranges; all other parameters are presented as frequencies, with percentages given in parentheses for each parameter