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Table 3 - Correlations between the gamma passing rates of MapCHECK2 and ArcCHECK

From: Reliability of the gamma index analysis as a verification method of volumetric modulated arc therapy plans

Gamma criteria Global gamma passing rates Local gamma passing rates
r p r p
Trilogy (C-series linac)
 3%/3 mm 0.242 0.004
 2%/2 mm 0.288 0.001
 2%/1 mm 0.260 0.002
 1%/2 mm 0.266 0.001
 1%/1 mm 0.202 0.016
TrueBeam STx (SABR + non-SABR)
 3%/3 mm 0.365 < 0.001
 2%/2 mm 0.412 < 0.001
 2%/1 mm 0.528 < 0.001
 1%/2 mm 0.468 < 0.001
 1%/1 mm 0.589 < 0.001
TrueBeam STx (SABR)
 3%/3 mm 0.355 0.005
 2%/2 mm 0.263 0.042
 2%/1 mm 0.273 0.035 0.381 0.003
 1%/2 mm 0.275 0.033
 1%/1 mm 0.413 0.001
TrueBeam STx (non-SABR)
 3%/3 mm 0.369 0.019
 2%/2 mm 0.629 < 0.001
 2%/1 mm 0.729 < 0.001
 1%/2 mm 0.637 < 0.001
 1%/1 mm 0.745 < 0.001
  1. Note: Only r values with p ≤ 0.05 are shown