Characteristic | Benign | Malignant | NPV | PPV | SEN | SPE | AUC |
---|---|---|---|---|---|---|---|
Shape | Â | Â | Â | Â | Â | Â | Â |
AP/T≥1 | 34(4.7%) | 684(95.3%) | 29.3% | 95.3% | 57.0% | 86.3% | 0.716 |
AP/T<1 | 214(29.3%) | 516(70.7%) | Reference | Â | Â | Â | Â |
Margin | Â | Â | Â | Â | Â | Â | Â |
Regular | 174(49.2%) | 180(50.8%) | Reference | Â | Â | Â | Â |
Irregular | 74(6.8%) | 1020(93.2%) | 49.2% | 93.2% | 85.0% | 70.2% | 0.776 |
Border | Â | Â | Â | Â | Â | Â | Â |
Unclear | 55(6.3%) | 819(93.7%) | 33.6% | 93.7% | 68.2% | 77.8% | 0.730 |
Clear | 193(33.6%) | 381(66.4%) | Reference | Â | Â | Â | Â |
Hackly border | Â | Â | Â | Â | Â | Â | Â |
Present | 22(3.0%) | 744(97%) | 33.1% | 97.1% | 62.0% | 91.1% | 0.766 |
Absent | 226 (33.1%) | 456(66.9%) | Reference | Â | Â | Â | Â |
Component | Â | Â | Â | Â | Â | Â | Â |
Solid | 108(8.5%) | 1157(91.5%) | 76.5% | 91.5% | 96.4% | 56.5% | 0.764 |
Mixed | 140(76.5%) | 43(23.5%) | Reference | Â | Â | Â | Â |
Calcifications | Â | Â | Â | Â | Â | Â | Â |
Macro-calcifications | 30(18.0%) | 137(82.0%) | 17.0% | 82.0% | 11.4% | 87.9% | 0.497 |
Micro-calcifications | 78(9.9%) | 711(90.1%) | 25.8% | 90.1% | 59.2% | 68.5% | 0.639 |
No calcifications | 140(28.5%) | 352(71.5%) | Reference | Â | Â | Â | Â |
Halo | Â | Â | Â | Â | Â | Â | Â |
Present | 209(15.7%) | 1123(84.3%) | 33.6% | 84.3% | 93.6% | 15.7% | 0.547 |
Absent | 39(33.6%) | 77(66.4%) | Reference | Â | Â | Â | Â |
Attenuation | Â | Â | Â | Â | Â | Â | Â |
Present | 12(5.5%) | 208(94.5%) | 19.2% | 94.5% | 17.3% | 95.2% | 0.562 |
Absent | 236(19.2%) | 992(80.8%) | Reference | Â | Â | Â | Â |
Lateral shadow | Â | Â | Â | Â | Â | Â | Â |
Present | 5(8.8%) | 52(91.2%) | 17.5% | 91.2% | 4.3% | 98.0% | 0.512 |
Absent | 243(17.5%) | 1148(82.5%) | Reference | Â | Â | Â | Â |
Blood flow degree | Â | Â | Â | Â | Â | Â | Â |
Low | 49(10.5%) | 417(89.5%) | 20.3% | 89.5% | 34.8% | 80.2% | 0.575 |
Medium | 116(22.7%) | 396(77.3%) | Reference | Â | Â | Â | Â |
High | 83(17.7%) | 387(82.3%) | 16.9% | 82.3% | 32.2% | 66.5% | 0.494 |
Vascularity | Â | Â | Â | Â | Â | Â | Â |
Peripheral | 78(23.8%) | 250(76.2%) | Reference | Â | Â | Â | Â |
Mixed | 69(23.2%) | 228(76.8%) | 15.6% | 76.8% | 19.0% | 72.2% | 0.456 |
Central | 101(12.3%) | 722(87.7%) | 23.5% | 87.7% | 60.2% | 59.3% | 0.597 |
Echogenicity | Â | Â | Â | Â | Â | Â | Â |
Hypoechoic | 117(11.3%) | 920(88.7%) | 31.9% | 88.7% | 76.7% | 52.8% | 0.647 |
Hyperechoic | 131(31.9%) | 280(68.1%) | Reference | Â | Â | Â | Â |