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
|
0.193
|
0.023
|
0.448
|
< 0.001
|
–
|
–
|
0.340
|
< 0.001
|
2%/2 mm
|
0.268
|
0.001
|
0.392
|
< 0.001
|
–
|
–
|
0.378
|
< 0.001
|
2%/1 mm
|
0.433
|
< 0.001
|
0.352
|
< 0.001
|
–
|
–
|
0.529
|
< 0.001
|
1%/2 mm
|
0.311
|
< 0.001
|
0.238
|
0.005
|
–
|
–
|
0.282
|
0.001
|
1%/1 mm
|
0.482
|
< 0.001
|
0.268
|
0.001
|
–
|
–
|
0.453
|
< 0.001
|
TrueBeam STx
|
3%/3 mm
|
–
|
–
|
–
|
–
|
−0.243
|
0.015
|
–
|
–
|
2%/1 mm
|
–
|
–
|
–
|
–
|
− 0.196
|
0.050
|
–
|
–
|
- Note: Only r values with p ≤ 0.05 are shown