Table 3.
Segmentation Comparison for OA Subjects (N=32 bones)
| WRIST vs. Observer 1 | WRIST vs. Observer 2 | Observer 1 vs. Observer 2 | |||||||
|---|---|---|---|---|---|---|---|---|---|
| Bone | Dice | Jaccard | Hausdorff | Dice | Jaccard | Hausdorff | Dice | Jaccard | Hausdorff |
| Scaphoid | 92.7 ± 3.5 | 86.4 ± 6.1 | 3.7 ± 1.3 | 92.1 ± 3.7 | 85.3 ± 6.2 | 3.6 ± 1.3 | 97.8 ± 1.4 | 95.7 ± 2.6 | 1.3 ± 0.2 |
| Lunate | 93.4 ± 4.3 | 87.7 ± 7.0 | 3.4 ± 6.7 | 91.9 ± 4.6 | 87.1 ± 8.0 | 3.4 ± 6.7 | 97.4 ± 1.6 | 94.8 ± 2.9 | 1.0 ± 0.2 |
| Triquetrum | 93.9 ± 11.3 | 88.4 ± 10.1 | 1.8 ± 1.1 | 93.1 ± 9.4 | 87.2 ± 9.5 | 1.6 ± 1.3 | 96.9 ± 3.2 | 94.0 ± 5.7 | 1.2 ± 0.4 |
| Pisiform | 92.2 ± 7.3 | 85.7 ± 11.2 | 1.4 ± 0.1 | 92.2 ± 7.3 | 85.6 ± 9.7 | 1.4 ± 1.3 | 96.0 ± 3.6 | 92.3 ± 6.3 | 0.9 ± 0.2 |
| Trapezium | 80.5 ± 10.5 | 63.2 ± 5.0 | 6.1 ± 0.9 | 77.7 ± 8.6 | 61.8 ± 6.9 | 6.1 ± 1.2 | 84.5 ± 2.6 | 72.7 ± 4.1 | 3.1 ± 1.8 |
| Trapezoid | 91.5 ± 2.9 | 84.3 ± 5.0 | 2.6 ± 0.9 | 90.1 ± 4.8 | 82.1 ± 7.5 | 2.5 ± 1.0 | 96.2 ± 3.8 | 92.7 ± 6.5 | 1.2 ± 0.3 |
| Capitate | 93.0 ± 4.2 | 86.9 ± 6.7 | 3.9 ± 2.8 | 92.8 ± 5.4 | 86.7 ± 8.5 | 4.2 ± 2.9 | 96.8 ± 1.9 | 93.9 ± 3.5 | 1.6 ± 0.3 |
| Hamate | 92.7 ± 6.7 | 86.1 ± 5.4 | 9.0 ± 6.6 | 92.0 ± 6.8 | 85.3 ± 7.1 | 8.5 ± 6.9 | 96.8 ± 2.3 | 93.8 ± 2.3 | 2.0 ± 0.5 |
| Overall | 91.2 ± 8.6 | 83.6 ± 10.3 | 4.0 ± 4.4 | 90.2 ± 8.5 | 82.6 ± 10.8 | 3.9 ± 4.4 | 95.3 ± 4.6 | 91.2 ± 7.8 | 1.5 ± 1.1 |