Table 3 Comparison of total errors observed in patients receiving postoperative radiotherapy to the prostate
From: Total error shift patterns for daily CT on rails image-guided radiotherapy to the prostate bed
Mean magnitude (mm) | Standard deviation (mm) | |||||||
|---|---|---|---|---|---|---|---|---|
Series | Modality | patients/images | LR | CC/(SI) | AP | LR | CC (SI) | AP |
Sandhu et al. 7 | KV orthogonal | 26/384 | 3.9 | 5.3 | 3.8 | 5.9 | 8.1 | 5.5 |
Ost et al. 12 | CBCT | 15/547 | 2.9 | 1.9 | 3.1 | 2.2 | 1.6 | 2.3 |
Simpson et al. 13 | kV planar | 27/725 | 3.9 | 3.8 | 4.8 | 2.8 | 1.9 | 3.2 |
CBCT | 23/752 | 2.8 | 1.8 | 3.2 | 3.5 | 3.7 | 4.4 | |
present study | CT | 17/661 | 2.9 | 3.8 | 4.7 | 2.5 | 3.0 | 3.3 |
Average (mm) | Standard deviation (mm) | |||||||
Series | Modality | patients/images | LR | CC/(SI) | AP | LR | CC (SI) | AP |
Schiffner et al. 11 | EPID | 10/163 | 0.2 | 1.2 | -0.3 | 4.5 | 5.1 | 4.5 |
Ost et al. 12 | CBCT | 15/547 | 1.5 | -0.5 | 1.7 | 3.3 | 2.4 | 3.4 |
present study | CT | 17/661 | -0.6 | -1.1 | -2.2 | 3.8 | 4.7 | 5.3 |