| Standard deviation of tumor displacement position (mm) | |||||
Vertical | Longitudinal | Lateral | ||||
Mean ± SD | p* | Mean ± SD | p* | Mean ± SD | p* | |
Comparison of biofeedback | ||||||
Visual | 0.72 ± 0.46 | 0.40 | 0.91 ± 0.89 | 0.64 | 0.68 ± 0.69 | 0.44 |
Audio | 0.53 ± 0.39 | 1.06 ± 0.78 | 0.59 ± 0.68 | |||
Comparison according to selection method | ||||||
Patient preference | 0.75 ± 0.41 | 0.08 | 1.10 ± 0.93 | 0.14 | 0.65 ± 0.68 | 0.17 |
Imaging | 0.49 ± 0.38 | 0.61 ± 0.69 | 0.45 ± 0.29 |