Table 9 - Correlations between the gamma passing rates and the differences in the V50% of patient body between the original plans and the reconstructed plans with log files
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 |