Table 2 Results of model accuracies and errors on test datasets
Type | MODEL | Projection | Test images | Test accuracy/test RSME [mm] | Sensitivity TPR | Specificity TNR | Precision PPV |
|---|---|---|---|---|---|---|---|
Classification | Parenchyma | CC | 1944 | 97.1% [95% CI 96.2–97.7%] | 99.8% [95% CI 99.3–99.9%] | 95.4% [95% CI 93.7–96.3%] | 93.4% [95% CI 91.6–94.8%] |
Parenchyma | MLO | 87.3% [95% CI 86.3–88.2%] | 89.0% [95% CI 87.4–90.2%] | 87.6% [95% CI 85.0–89.2%] | 93.6% [95% CI 91.7–94.8%] | ||
IMF | MLO | 973 | 96.3% [95% CI 94.9–97.4%] | 99.3% [95% CI 98.2–99.7%] | 93.1% [95% CI 90.4– 95.2%] | 93.6% [95% CI 91.4–95.3%] | |
Pectoralis | CC | 971 | 98.5% [95% CI 98.2–99.5%] | 99.5% [95% CI 98.6–99.9%] | 96.3% [95% CI 93.7–98.1%] | 98.1% [95% CI 96.8–98.9%] | |
Nipple | CC + MLO | 1944 | 93.0% [95% CI 91.7–94.0%] | 94.0% [95% CI 92.8–95.1%] | 69.2% [95% CI 57.9–78.9%] | 98.5% [95% CI 98.0–98.9%] | |
Regression | Nipple | CC + MLO | 350 | 8.4 [95% CI 7.3–9.5] | n/a | ||
Pectoralis Cranial | MLO | 188 | 17.9 [95% CI 13.2–21.0] | n/a | |||
Pectoralis Caudal | MLO | 188 | 13.2 [95% CI 9.9–16.0] | n/a | |||
Pectoralis Angle | MLO | 973 | 99.1% [95% CI 98.2–99.5%] | 99.0% [95% CI 98.1–99.6%] | 99.0% [95% CI 96.6–99.8%] | 99.7% [95% CI 98.9–99.9%] | |
Posterior-Nipple Line | MLO | 973 | 99.0% [95% CI 98.1–99.1%] | 99.7% [95% CI 98.9–99.9%] | 96.9% [95% CI 94.1–98.7%] | 98.8% [95% CI 97.8–99.4%] | |