Table 3.
The percentage difference of the PTV and ITV mean and minimum dose between the DDM and EMT cumulative plans ((DDM-EMT)/EMT×100%) for 2, 2.5, and 5 mm dose grid size.
| Patient No. | 5 | 7 | 8 | 9 | 10 | |||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Grid size: mm | 2.5 | 5 | 2.5 | 5 | 2 | 2.5 | 5 | 2.5 | 5 | 2 | 2.5 | 5 |
| PTV mean dose | 0.0 | 0.2 | 0.2 | 0.6 | −0.6 | −0.8 | −0.4 | −0.4 | 0.0 | 0.8 | 1.0 | 1.2 |
| PTV min dose | 11.3 | 10.0 | 0.8 | 7.4 | −7.1 | −11.0 | −10.6 | −0.2 | −3.2 | 0.1 | 0.8 | 1.8 |
| ITV mean dose | −0.4 | −0.2 | 0.0 | 0.2 | −0.2 | −0.4 | −0.2 | −0.2 | 0.0 | 0.6 | 0.8 | 1.2 |
| ITV min dose | −1.1 | −0.2 | 0.4 | 0.7 | 0.0 | −0.5 | 0.5 | 0.2 | −0.7 | 4.2 | 4.4 | 3.8 |