| gamma index criteria | |||
3%/3 mm | 2%/2 mm | |||
| r | p value | r | p value |
rms leaf position error (mm) | 0.15 | 0.481 | 0.31 | 0.126 |
rms leaf speed (cm/sec) | −0.24 | 0.246 | −0.13 | 0.540 |
rms leaf acceleration (cm/sec2) | −0.19 | 0.360 | −0.17 | 0.399 |
rms gantry angle error (degree) | −0.49 | 0.011 | −0.64 | <0.001 |
rms gantry speed (degree/sec) | −0.18 | 0.374 | −0.36 | 0.069 |
rms gantry acceleration (degree/sec2) | −0.47 | 0.017 | −0.68 | <0.001 |