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Quantitative comparison of segmentation accuracies (DSC) obtained by regression forest (Regression) and multi-task random forest (Multi-task). Bold numbers indicate the better performance.
| DSC (%) | Regression | Multi-task | p value |
|---|---|---|---|
| Prostate | 84.0 ± 12.6 | 86.6 ± 4.1 | 1.7 × 10−4 |
| Bladder | 90.6 ± 8.6 | 92.1 ± 4.7 | 2.7 × 10−5 |
| Rectum | 85.2 ± 6.6 | 88.4 ± 4.8 | 1.2 × 10−38 |
| FemurL | 96.5 ± 5.6 | 97.0 ± 1.5 | 0.13 |
| FemurR | 96.5 ± 5.8 | 97.0 ± 1.5 | 0.12 |
