Table I.
The largest and smallest relative volume difference between the simulated and re-calculated DVHs (Vdiff (%)) and the related shifts for each patient. In the rightmost column the average of Vdiff over all applied shifts is given for each patient.
| Vdiff (%) Patient | Largest |
Smallest |
Vdiff over all shifts (%) | ||
|---|---|---|---|---|---|
| Vdiff (%) | Shift | Vdiff (%) | Shift | ||
| 1 | 4.3 | ISO, rndm (0.8 cm) | 1.8 | ISO, syst (0.5 cm) | 2.9 |
| 2 | 2.7 | ISO, rndm (0.8 cm) | 0.9 | AP, syst (0.8 cm) | 1.6 |
| 3 | 7.1 | ISO, syst (0.2 cm) | 1.3 | ISO, syst (0.8 cm) | 4.0 |
| 4 | 9.9 | ISO, rndm (0.8 cm) | 3.6 | ISO, syst (0.5 cm) | 7.0 |
| 5 | 4.2 | ISO, syst (0.8 cm) | 1.6 | ISO, syst (0.2 cm) | 2.3 |
| 6 | 4.2 | ISO, syst (0.5 cm) | 2.2 | AP, syst (0.8 cm) | 3.1 |
| 7 | 6.1 | ISO, rndm (0.8 cm) | 1.5 | ISO, syst (0.8 cm) | 3.6 |
| 8 | 3.0 | ISO, rndm (0.8 cm) | 1.2 | ISO, syst (0.2 cm) | 1.9 |
| 9 | 3.6 | ISO, rndm (0.8 cm) | 0.6 | ISO, syst (0.8 cm) | 2.0 |
AP, anisotropic; ISO, isotropic; rndm, random; syst, systematic.