Table 2 Baseline patient BI-RADS characteristics
BI-RADS characteristics | TC (n = 173) n (%) | ETC (n = 110) n (%) | P value |
|---|---|---|---|
Shape | 0.004* | ||
Oval or round | 71 (41.0) | 27 (24.5) | |
Irregular | 102 (59.0) | 83 (75.5) | |
Orientation | 0.081 | ||
Parallel | 127 (73.4) | 70 (63.6) | |
Not parallel | 46 (26.6) | 40 (36.4) | |
Margin | <0.001* | ||
Circumscribed | 90 (52.0) | 28 (25.5) | |
Not circumscribed | 83 (48.0) | 82 (74.5) | |
Echo pattern | 0.012* | ||
Complex cystic-solid | 6 (3.5) | 14 (12.7) | |
Hypoechoic | 120 (69.4) | 71 (64.5) | |
Heterogeneous | 47 (27.2) | 25 (22.7) | |
Posterior feature | 0.002* | ||
No posterior feature | 28 (16.2) | 31 (28.2) | |
Enhancement | 99 (57.2) | 56 (50.9) | |
Shadowing | 28 (16.2) | 22 (20.0) | |
Combined pattern | 18 (10.4) | 1 (0.9) | |
Calcification | 0.001* | ||
No | 71 (41.0) | 68 (61.8) | |
Yes | 102 (59.0) | 42 (38.2) | |
Vascularity | 0.188 | ||
Absent | 16 (9.2) | 5 (4.5) | |
Internal vascularity | 44 (25.4) | 36 (32.7) | |
Vessels in rim | 113 (65.3) | 69 (62.7) | |
Architectural distortion | 0.146 | ||
No | 13 (7.5) | 14 (12.7) | |
Yes | 160 (92.5) | 96 (87.3) | |
Duct change | 0.715 | ||
No | 169 (97.7) | 106 (96.4) | |
Yes | 4 (2.3) | 4 (3.6) | |
Skin change | 0.560 | ||
No | 162 (93.6) | 101 (91.8) | |
Yes | 11 (6.4) | 9 (8.2) | |
Edema | 0.771 | ||
No | 165 (95.4) | 106 (96.4) | |
Yes | 8 (4.6) | 4 (3.6) |
