Table 3.
The means and standard deviations of R2 and MAE of the DTH + CPDVH method and IDVHs method for 20 nasopharyngeal cancer patients and 15 rectal cancer patients.
| OAR | R2 | MAE (%) | ||||
|---|---|---|---|---|---|---|
| DTH + CPDVH | IDVHs | p-value | DTH + CPDVH | IDVHs | p-value | |
| Nasopharyngeal cancer | ||||||
| Brainstem | 0.97 ± 0.03 | 0.97 ± 0.03 | 0.647 | 3.52 ± 1.99 | 3.63 ± 2.24 | 0.650 |
| Spinal cord | 0.97 ± 0.03 | 0.97 ± 0.03 | 0.616 | 3.20 ± 1.50 | 3.22 ± 1.48 | 0.906 |
| Chiasm | 0.88 ± 0.24 | 0.87 ± 0.13 | 0.438 | 7.12 ± 8.00 | 7.95 ± 5.37 | 0.218 |
| Lens | 0.92 ± 0.08 | 0.92 ± 0.09 | 0.586 | 1.11 ± 0.88 | 1.16 ± 1.10 | 0.632 |
| Optic nerve | 0.89 ± 0.18 | 0.88 ± 0.16 | 0.679 | 6.84 ± 4.16 | 7.05 ± 4.82 | 0.831 |
| Parotid | 0.97 ± 0.03 | 0.97 ± 0.02 | 0.433 | 4.98 ± 3.12 | 4.34 ± 1.71 | 0.332 |
| Temporal lobe | 0.97 ± 0.07 | 0.97 ± 0.03 | 0.758 | 2.38 ± 1.95 | 2.41 ± 2.22 | 0.970 |
| Rectal cancer | ||||||
| Bladder | 0.98 ± 0.03 | 0.97 ± 0.03 | 0.190 | 2.20 ± 1.42 | 2.36 ± 1.70 | 0.221 |
| Colon | 0.95 ± 0.04 | 0.95 ± 0.04 | 0.722 | 6.13 ± 3.48 | 5.89 ± 3.50 | 0.937 |
| Femoral head | 0.96 ± 0.06 | 0.96 ± 0.06 | 0.990 | 4.59 ± 3.85 | 4.77 ± 3.01 | 0.865 |
| Small intestine | 0.95 ± 0.05 | 0.95 ± 0.06 | 0.463 | 4.86 ± 2.73 | 4.52 ± 3.59 | 0.807 |
The p-value between the DTH + CPDVH method and the IDVH method was given, and the difference was considered statistically significant if the p-value was less than 0.05.