Table 3.
Mean (±s.d.) HD95s, DICE coefficients, COME, and Wilcoxon signed-rank test results of different methods. The Wilcoxon signed-rank tests are between the KS-RegNet and the other methods.
| Number of spokes | Method | Mean (±s.d.) | p-value | ||||
|---|---|---|---|---|---|---|---|
|
| |||||||
| HD95 (mm) | DICE coefficient | COME (mm) | HD95 | DICE coefficient | COME | ||
| 5 | KS-RegNet | 4.97±2.78 | 0.884±0.025 | 1.21±1.09 | -- | -- | -- |
| KS-RegNet-nup | 6.45±1.80 | 0.807±0.064 | 2.22±1.96 | < 10−3 | < 10−3 | < 10−3 | |
| RegNet | 6.24±1.88 | 0.797±0.051 | 1.82±1.85 | < 10−3 | < 10−3 | < 10−3 | |
| Elastix (US to US) | 6.23±2.89 | 0.849±0.029 | 1.88±1.93 | < 10−3 | < 10−3 | < 10−3 | |
|
| |||||||
| 9 | KS-RegNet | 4.74±2.62 | 0.889±0.024 | 1.29±1.22 | -- | -- | -- |
| KS-RegNet-nup | 5.72±1.90 | 0.846±0.040 | 1.81±1.49 | < 10−3 | < 10−3 | < 10−3 | |
| RegNet | 6.09±1.91 | 0.821±0.040 | 1.61±1.56 | < 10−3 | < 10−3 | < 10−3 | |
| Elastix (US to US) | 6.33±3.32 | 0.863±0.038 | 1.59±1.70 | < 10−3 | 0.007 | 0.107 | |
|
| |||||||
| 13 | KS-RegNet | 4.51±2.82 | 0.894±0.022 | 1.01±0.86 | -- | -- | -- |
| KS-RegNet-nup | 4.99±2.21 | 0.868±0.024 | 1.36±0.92 | < 10−3 | < 10−3 | < 10−3 | |
| RegNet | 5.93±1.97 | 0.835±0.042 | 1.49±1.40 | < 10−3 | < 10−3 | < 10−3 | |
| Elastix (US to US) | 5.77±3.24 | 0.869±0.043 | 1.58±1.73 | < 10−3 | 0.069 | < 10−3 | |