Table 3 Comparison of diagnostic value between MG and US
Method | Sensitivity | Specificity | Accuracy | False-positive | False-negative | Positive PV | Negative PV | |
|---|---|---|---|---|---|---|---|---|
All | MG | 88.5% | 57.9% | 73.7% | 42.1% | 11.5% | 69.2% | 82.5% |
US | 95.9% | 66.7% | 81.8% | 33.3% | 4.1% | 75.5% | 93.8% | |
Age ≤45 years | MG | 73.7% | 60.6% | 65.4% | 39.4% | 26.3% | 51.9% | 80.0% |
US | 89.5% | 68.2% | 76.0% | 31.8% | 10.5% | 61.8% | 91.8% | |
Age >45 years | MG | 95.2% | 54.2% | 80.3% | 45.8% | 4.8% | 78.4% | 86.7% |
US | 98.8% | 64.6% | 86.4% | 35.4% | 1.2% | 83.0% | 96.9% | |
Premenopausal | MG | 81.0% | 53.8% | 64.9% | 46.2% | 19.0% | 54.8% | 80.3% |
US | 91.9% | 71.4% | 79.7% | 28.6% | 8.1% | 68.7% | 92.9% | |
Postmenopausal | MG | 96.6% | 73.9% | 90.2% | 26.1% | 3.4% | 90.5% | 89.5% |
US | 100.0% | 47.8% | 85.4% | 52.2% | 0.0% | 83.1% | 100.0% | |
Low breast density | MG | 92.9% | 52.1% | 76.3% | 47.9% | 7.1% | 73.9% | 83.3% |
US | 98.6% | 62.5% | 83.9% | 37.5% | 1.4% | 79.3% | 96.8% | |
High breast density | MG | 63.2% | 82.7% | 71.7% | 17.3% | 36.8% | 82.7% | 63.2% |
US | 92.3% | 69.7% | 79.7% | 30.3% | 7.7% | 70.6% | 92.0% |