Table 3 Patient measurements.
From: Investigation of the usability of conebeam CT data sets for dose calculation
1F | 4F | patient plan | |||||
|---|---|---|---|---|---|---|---|
Correction strategy | 6 MV | 18 MV | 6 MV | 18 MV | dose plane | DVH | |
(a) Pelvis Patients | |||||||
standard | HU-DpCT | 21.6% ± 3.7% | 15.7% ± 3.4% | 14.1% ± 2.1% | 10.5% ± 1.7% | 8.0% ± 5.7% | 19.1% ± 3.4% |
phantom based | HU-DM20F1 | 7.7% ± 5.2% | 5.6% ± 3.9% | 11.2% ± 3.7% | 8.4% ± 2.9% | 5.2% ± 3.7% | 12.7% ± 1.5% |
group based | HU-DPelvis | 2.7% ± 2.3% | 2.4% ± 2.0% | 2.2% ± 1.9% | 1.9% ± 1.5% | 0.9% ± 0.9% | 1.3% ± 1.0% |
patient based | HU-DPat_i | 2.4% ± 1.7% | 2.0% ± 1.4% | 1.6% ± 1.3% | 1.2% ± 1.1% | 0.9% ± 0.9% | 1.2% ± 0.9% |
(b) Thorax Patients | |||||||
standard | HU-DpCT | 21.6% ± 9.6% | 16.4% ± 7.2% | 17.1% ± 5.8% | 12.6% ± 4.6% | 10.9% ± 6.8% | 13.8% ± 10.5% |
phantom based | HU-DM20F1 | 11.5% ± 7.1% | 8.9% ± 5.4% | 10.4% ± 4.6% | 7.7% ± 3.7% | 8.1% ± 3.7% | 6.2% ± 4.7% |
group based | HU-DThorax | 4.1% ± 3.5% | 3.2% ± 2.8% | 3.2% ± 2.2% | 2.6% ± 1.9% | 1.7% ± 1.7% | 1.7% ± 2.4% |
patient based | HU-DPat_i | 4.0% ± 3.4% | 3.0% ± 2.7% | 2.9% ± 1.9% | 2.3% ± 1.7% | 1.8% ± 1.6% | 1.7% ± 2.0% |
(c) Head Patients | |||||||
standard | HU-DpCT | 22.4% ± 10.2% | 14.9% ± 9.7% | 19.1% ± 4.6% | 10.9% ± 5.8% | 14.5% ± 10.4% | 16.2% ± 12.7% |
phantom based | HU-DS10F0 | 3.0% ± 2.7% | 2.5% ± 1.0% | 2.3% ± 1.9% | 2.0% ± 1.7% | 1.4% ± 2.4% | 1.6% ± 2.2% |
group based | HU-DHead | 2.1% ± 1.7% | 2.1% ± 1.5% | 1.6% ± 1.4% | 1.5% ± 1.5% | 1.3% ± 2.3% | 1.4% ± 1.9% |
patient based | HU-DPat_i | 2.1% ± 1.7% | 1.9% ± 1.5% | 1.5% ± 1.3% | 1.4% ± 1.4% | 1.5% ± 2.5% | 1.4% ± 1.9% |