Table 4.
Metrics of Dice similarity coefficient, median surface distance (mm), false-positive discoveries (per patient), and false-positive volume (cc) for 15 3D-IRCADb Test Patients.
| Metric | 3D-IRCADb Patients (N = 15) | ||||
|---|---|---|---|---|---|
| Median | Min | Max | Standard deviation | ||
| Dice similarity coefficient | 0.74 | 0.40 | 0.89 | 0.16 | |
| Global Dice similarity coefficient | 0.81 | N/A | N/A | N/A | |
| Median surface distance (mm) | 1.95 | 0.57 | 8.00 | 1.90 | |
| False-positive discoveries (per patient) | 1 | 0 | 7 | 2.0 | |
| False-positive volume (cc) | 4.25 | 0.08 | 28.34 | 7.48 | |
| Erroneous false-positive volume (cc) | 2.35 | 0.00 | 14.56 | 5.01 | |
| Over-segmentation false-positive volume (cc) | 1.24 | 0.00 | 17.56 | 5.50 | |
| Metric | CRLM Patients (N = 15) | ||||
| Median | Min | Max | Standard deviation | ||
| Dice similarity coefficient | 0.78 | 0.28 | 0.91 | 0.17 | |
| Median surface distance (mm) | 0.78 | 0.01 | 83.28 | 27 | |
| False-positive discoveries (per patient) | 1 | 0 | 4 | 1.2 | |
| False-positive volume (cc) | 2.43 | 0.28 | 14.47 | 4.68 | |
| Erroneous false-positive volume (cc) | 1.05 | 0.00 | 14.23 | 4.54 | |
| Over-segmentation false-positive volume (cc) | 0.73 | 0.23 | 3.68 | 0.97 | |
| Metric | Ablation Patients (N = 9) | ||||
| Median | Min | Max | Standard deviation | ||
| Dice similarity coefficient | 0.79 | 0.42 | 0.89 | 0.16 | |
| Median surface distance (mm) | 0.76 | 0.01 | 5.72 | 1.76 | |
| False-positive discoveries (per patient) | 2 | 0 | 6 | 1.6 | |
| False-positive volume (cc) | 27.8 | 5.84 | 174.07 | 61.25 | |
| Erroneous false-positive volume (cc) | 5.62 | 0.00 | 107.47 | 32.77 | |
| Over-segmentation false-positive volume (cc) | 11.40 | 4.35 | 172.54 | 50.97 | |