Variables | Group A (n = 105) | Group B (n = 30) | P value |
---|---|---|---|
Size (mm) | 8.2 (6.2–9.8) | 9.3 (7.6–14.4) | 0.020 |
Size (mm) | 0.009 | ||
≤ 10 mm | 84 (80.0%) | 17 (56.7%) | |
> 10 mm | 21 (20.0%) | 13 (43.3%) | |
Location | 0.782 | ||
Anterior third of the breast | 52 (49.5%) | 14 (46.7%) | |
Middle or posterior third of the breast | 53 (50.5%) | 16 (53.3%) | |
Number of mass | 0.604 | ||
Solitary | 65 (61.9%) | 17 (56.7%) | |
Multiple | 40 (38.1%) | 13 (43.3%) | |
Shape | 0.299 | ||
Oval or round | 83 (79.0%) | 21 (70.0%) | |
Irregular | 22 (21.0%) | 9 (30.0%) | |
Margin | 0.267 | ||
Circumscribed | 71 (67.6%) | 17 (56.7%) | |
Non-circumscribed | 34 (32.4%) | 13 (43.3%) | |
Mass type | 0.340 | ||
Solid mass | 96 (91.4%) | 25 (83.3%) | |
Complex cystic mass | 6 (5.7%) | 4 (13.3%) | |
Cystic mass | 3 (2.9%) | 1 (3.3%) | |
Duct dilation | 45 (42.9%) | 20 (66.7%) | 0.021 |
Mixed mass-NME lesion | 20 (19.0%) | 15 (50.0%) | 0.001 |
TIC | 0.623 | ||
Persistent | 38 (36.2%) | 8 (26.7%) | |
Plateau | 31 (29.5%) | 10 (33.3%) | |
Washout | 36 (34.3%) | 12 (40.0%) | |
ADC value (× 10−3 mm/s2)* | 1.33 ± 0.22 | 1.29 ± 0.13 | 0.565 |