Characteristic | Benign | Malignant | NPV | PPV | SEN | SPE | AUC |
---|---|---|---|---|---|---|---|
Shape | Â | Â | Â | Â | Â | Â | Â |
AP/T≥1 | 89 | 685 | 32.9% | 88.5% | 56.6% | 74.4% | 0.655 |
AP/T<1 | 258 | 526 | Â | Â | Reference | Â | Â |
Margin | Â | Â | Â | Â | Â | Â | Â |
Regular | 180 | 189 | Â | Â | Reference | Â | Â |
Irregular | 167 | 1022 | 48.8% | 86.0% | 84.4% | 51.9% | 0.681 |
Border | Â | Â | Â | Â | Â | Â | Â |
Unclear | 137 | 820 | 34.9% | 85.7% | 67.7% | 60.5% | 0.641 |
Clear | 210 | 391 | Â | Â | Reference | Â | Â |
Hackly border | Â | Â | Â | Â | Â | Â | Â |
Present | 91 | 745 | 35.5% | 89.1% | 61.5% | 73.8% | 0.676 |
Absent | 256 | 466 | Â | Â | Reference | Â | Â |
Component | Â | Â | Â | Â | Â | Â | Â |
Solid | 207 | 1158 | 72.5% | 84.8% | 95.6% | 40.3% | 0.680 |
Mixed | 140 | 53 | Â | Â | Reference | Â | Â |
Calcifications | Â | Â | Â | Â | Â | Â | Â |
Macro-calcifications | 46 | 137 | 21.9% | 74.9% | 11.3% | 86.7% | 0.490 |
Micro-calcifications | 139 | 712 | 29.4% | 83.7% | 58.8% | 59.9% | 0.594 |
No calcifications | 162 | 362 | Â | Â | Reference | Â | Â |
Halo | Â | Â | Â | Â | Â | Â | Â |
Present | 303 | 1132 | 35.8% | 78.9% | 93.5% | 12.7% | 0.531 |
Absent | 44 | 79 | Â | Â | Reference | Â | Â |
Attenuation | Â | Â | Â | Â | Â | Â | Â |
Present | 33 | 208 | 23.8% | 86.3% | 17.2% | 90.5% | 0.538 |
Absent | 314 | 1003 | Â | Â | Reference | Â | Â |
Lateral shadow | Â | Â | Â | Â | Â | Â | Â |
Present | 9 | 52 | 22.6% | 85.2% | 4.3% | 97.4% | 0.509 |
Absent | 338 | 1159 | Â | Â | Reference | Â | Â |
Blood flow degree | Â | Â | Â | Â | Â | Â | Â |
Low | 80 | 417 | 25.2% | 83.9% | 34.4% | 76.9% | 0.557 |
Medium | 152 | 402 | Â | Â | Reference | Â | Â |
High | 115 | 392 | 22.1% | 77.3% | 32.4% | 66.9% | 0.496 |
Vascularity | Â | Â | Â | Â | Â | Â | Â |
Peripheral | 103 | 255 | Â | Â | Reference | Â | Â |
Mixed | 88 | 231 | 20.9% | 72.4% | 19.1% | 74.6% | 0.469 |
Central | 156 | 725 | 28.2% | 82.3% | 59.9% | 55.0% | 0.575 |
Echogenicity | Â | Â | Â | Â | Â | Â | Â |
Hypoechoic | 198 | 925 | 34.3% | 82.4% | 76.4% | 42.9% | 0.597 |
Hyperechoic | 149 | 286 | Â | Â | Reference | Â | Â |