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