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. 2018 Aug;30(4):432–438. doi: 10.21147/j.issn.1000-9604.2018.04.06

1.

Baseline and clinicopathologic characteristics of patients

Variables Benign (N=36) Malignant (N=52) P
BI-RADS, Breast Imaging Reporting and Data System.
Age [median (range)], year 43 (13−59) 45 (27−82) 0.233
Tumor size [median (range)], cm 2.56 (0.60−10.30) 2.59 (0.90−10.50) 0.353
ADC value, ×10−6 mm2/s 1,233.5±191.0 1,035.0±120.5 <0.001
Ktrans value [median (range)], min−1 1.14 (0.49, 2.22) 1.91 (0.85, 3.08) 0.032
Sub-classification [n (%)] 0.002
 BI-RADS 4A 10 (27.8%) 2 (3.8%)
 BI-RADS 4B 19 (52.8%) 28 (53.8%)
 BI-RADS 4C 7 (19.4%) 22 (42.3%)