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)
|
2%/1 mm
|
–
|
–
|
− 0.166
|
0.050
|
–
|
–
|
–
|
–
|
1%/1 mm
|
–
|
–
|
−0.187
|
0.027
|
−0.185
|
0.029
|
–
|
–
|
TrueBeam STx (SABR + non-SABR)
|
3%/3 mm
|
–
|
–
|
–
|
–
|
–
|
–
|
−0.293
|
0.003
|
2%/2 mm
|
–
|
–
|
–
|
–
|
–
|
–
|
−0.327
|
0.001
|
2%/1 mm
|
−0.253
|
0.011
|
–
|
–
|
–
|
–
|
−0.328
|
0.001
|
1%/2 mm
|
–
|
–
|
–
|
–
|
–
|
–
|
−0.332
|
0.001
|
1%/1 mm
|
−0.254
|
0.011
|
–
|
–
|
–
|
–
|
−0.326
|
0.001
|
TrueBeam STx (SABR)
|
2%/1 mm
|
–
|
–
|
–
|
–
|
–
|
–
|
−0.293
|
0.023
|
1%/2 mm
|
–
|
–
|
0.264
|
0.042
|
–
|
–
|
–
|
–
|
TrueBeam STx (non-SABR)
|
3%/3 mm
|
–
|
–
|
–
|
–
|
–
|
–
|
−0.351
|
0.027
|
2%/2 mm
|
–
|
–
|
–
|
–
|
–
|
–
|
−0.351
|
0.027
|
1%/2 mm
|
–
|
–
|
–
|
–
|
–
|
–
|
−0.335
|
0.035
|
- Note: Only r values with p ≤ 0.05 are shown