Gamma criteria
|
MapCHECK2 measurements
|
ArcCHECK measurements
|
---|
Global gamma passing rates
|
Local gamma passing rates
|
Global gamma passing rates
|
Local gamma passing rates
|
---|
r
|
p
|
r
|
p
|
r
|
p
|
r
|
p
|
---|
Trilogy (C-series linac)
|
3%/3 mm
|
0.213
|
0.011
|
− 0.447
|
< 0.001
|
–
|
–
|
–
|
–
|
2%/2 mm
|
–
|
–
|
− 0.183
|
0.031
|
0.307
|
< 0.001
|
−0.355
|
< 0.001
|
2%/1 mm
|
–
|
–
|
0.190
|
0.025
|
0.536
|
< 0.001
|
− 0.211
|
0.013
|
1%/2 mm
|
− 0.334
|
< 0.001
|
–
|
–
|
0.305
|
< 0.001
|
− 0.503
|
< 0.001
|
1%/1 mm
|
–
|
–
|
–
|
–
|
0.546
|
< 0.001
|
−0.374
|
< 0.001
|
TrueBeam STx (SABR + non-SABR)
|
3%/3 mm
|
–
|
–
|
−0.339
|
0.001
|
–
|
–
|
−0.382
|
< 0.001
|
2%/2 mm
|
−0.358
|
< 0.001
|
−0.478
|
< 0.001
|
0.211
|
0.035
|
−0.369
|
< 0.001
|
2%/1 mm
|
−0.328
|
0.001
|
−0.394
|
< 0.001
|
0.458
|
< 0.001
|
−0.230
|
0.021
|
1%/2 mm
|
−0.554
|
< 0.001
|
−0.542
|
< 0.001
|
–
|
–
|
−0.478
|
< 0.001
|
1%/1 mm
|
−0.531
|
< 0.001
|
−0.502
|
< 0.001
|
0.316
|
0.001
|
−0.364
|
< 0.001
|
TrueBeam STx (non-SABR)
|
3%/3 mm
|
–
|
–
|
–
|
–
|
–
|
–
|
−0.699
|
< 0.001
|
2%/2 mm
|
−0.336
|
0.034
|
−0.475
|
0.002
|
–
|
–
|
−0.593
|
< 0.001
|
2%/1 mm
|
−0.507
|
0.001
|
−0.470
|
0.002
|
0.463
|
0.003
|
–
|
–
|
1%/2 mm
|
−0.577
|
< 0.001
|
−0.584
|
< 0.001
|
–
|
–
|
− 0.619
|
< 0.001
|
1%/1 mm
|
− 0.740
|
< 0.001
|
− 0.622
|
< 0.001
|
0.348
|
0.028
|
−0.365
|
0.021
|
- Note: Only r values with p ≤ 0.05 are shown