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Overview of the intra-fraction variability and stability of BHs performed with the ABC system
| LR (mm) | CC (mm) | AP (mm) | Average | |
|---|---|---|---|---|
| Average (± 1SD) | ||||
| BH deviation with planning CT | 0.2 (± 3.1) | −1.0 (± 2.6) | −1.2 (± 2.9) | −0.7 (± 2.9) |
| Variability | 2.2 (± 1.4) | 2.8 (± 1.5) | 2.3 (± 1.3) | 2.4 (± 1.4) |
| Stability | −1.0 (± 1.3) | 2.1 (± 2.5) | 1.5 (± 2.8) | 0.9 (± 2.2) |
| Maximum | ||||
| Variability | 7.5 | 12.4 | 6.4 | |
| Stability | −5.8 | 9.6 | 11.7 | |
BH Breath-hold, LR Left-right, CC Cranial-caudal, AP Anterior-posterior
