| Hypoechoic | Solid | Microcalcifications | Irregular Borders | Shape Taller than Wide | Diameter = or More than 1.5 cm | Average Multicentric Alpha Score 2.0 | |
| Sensitivity | 49% | 90% | 90% | 89% | 93% | 50% | 82% |
| Specificity | 84% | 57% | 81% | 84% | 66% | 51% | 74% |
| PPV | 95% | 92% | 96% | 97% | 94% | 83% | 95% |
| NPV | 23% | 52% | 58% | 58% | 63% | 17% | 51% |
| Accuracy | 54% | 85% | 88% | 88% | 89% | 60% | 81% |