Table 8 - Correlations between the gamma passing rates and the differences in the D95% of PTVs 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 | |
TrueBeam STx (SABR + non-SABR) | ||||||||
3%/3 mm | – | – | – | – | – | – | − 0.225 | 0.025 |
2%/2 mm | – | – | − 0.264 | 0.008 | – | – | − 0.240 | 0.016 |
2%/1 mm | – | – | − 0.238 | 0.017 | – | – | − 0.274 | 0.006 |
1%/2 mm | −0.283 | 0.004 | −0.294 | 0.003 | – | – | −0.279 | 0.005 |
1%/1 mm | −0.333 | 0.001 | −0.313 | 0.001 | – | – | −0.318 | 0.001 |
TrueBeam STx (non-SABR) | ||||||||
2%/2 mm | – | – | −0.326 | 0.040 | – | – | – | – |
2%/1 mm | – | – | −0.340 | 0.032 | – | – | – | – |
1%/2 mm | – | – | −0.323 | 0.042 | – | – | – | – |
1%/1 mm | −0.421 | 0.007 | −0.436 | 0.005 | – | – | – | – |