Table 7 Comparison of accuracy measures of ABUS and mammogram than ratio of sensitivity and specificity
From: Automated breast ultrasound system (ABUS): can it replace mammography as a screening tool?
|  | Sensitivity | Specificity | + PV | − PV | Accuracy |
|---|---|---|---|---|---|
ABUS | 100.0% | 62.5% | 85.0% | 100.0% | 88.0% |
Mammogram | 85% | 100% | 100% | 72.7% | 89% |