Table 1 Risk evaluation
From: Re-irradiation of spinal column metastases by IMRT: impact of setup errors on the dose distribution
Absolute error 3D vector | Max dose D01ccm | BED (Gy2) | Risk factor | ||||
|---|---|---|---|---|---|---|---|
Translation (mm) | Rotation (°) | % | Gy | Max dose | Total | ||
Patient 1 | 10.2 | 3.3 | 86.7 | 20.8 | 56.8 | 131.8 | 2 |
Patient 2 | 5.6 | 3.3 | 85.3 | 20.5 | 55.4 | 130.4 | 2 |
Patient 3 | 4.2 | 2.8 | 78.6 | 18.9 | 48.5 | 123.5 | 1 |
Patient 4 | 10.0 | 3.7 | 94.8 | 22.8 | 65.9 | 140.9 | 3 |
Patient 5 | 6.1 | 3.1 | 88.4 | 21.2 | 58.7 | 133.7 | 2 |
Patient 6 | 5.4 | 3.0 | 94.2 | 22.6 | 65.2 | 140.2 | 3 |
Patient 7 | 5.9 | 2.1 | 82.9 | 19.9 | 52.9 | 127.9 | 1 |
Patient 8 | 2.8 | 2.1 | 78.1 | 18.7 | 48.0 | 123.0 | 1 |
Patient 9 | 4.3 | 2.0 | 79.9 | 19.2 | 49.8 | 124.8 | 1 |
Patient 10 | 6.2 | 1.7 | 82.2 | 19.7 | 52.2 | 127.2 | 1 |
mean value | 6.1 | 2.7 | |||||