Table 6. Dosimetric comparison.
Groups | GTV mean | PTV mean | GTV min | PTV min |
---|---|---|---|---|
RAT plans | 120.2 ± 3.9 | 110.4 ± 5.1 | 110.2 ± 7.9 | 73.1 ± 12.4 |
p value | <0.001 | <0.001 | <0.001 | <0.001 |
Re-MC plans | 107.6 ± 7.9 | 92.4 ± 9.9 | 86.7 ± 11.4 | 54.5 ± 8.7 |
p value | <0.001 | <0.001 | 0.154 | <0.001 |
MC plans | 120.6 ± 7.7 | 112.8 ± 7.4 | 91.8 ± 11.8 | 74.9 ± 11.8 |
Overall response | ||||
Responding | 116.0 ± 9.6 | 105.1 ± 12.9 | 89.5 ± 11.6 | 65.5 ± 16.5 |
p value | 0.023 | 0.056 | 0.985 | 0.462 |
Non-responding | 104.1 ± 10.3 | 91.8 ± 11.2 | 89.7 ± 15.3 | 59.2 ± 10.5 |
Abbreviations: RAT, Ray-Tracing group; MC, Monte-Carlo group; Re-MC, recalculating RAT plans with MC algorithm; CR, complete response; PR, partial response; SD, stable disease, GTV, gross tumor volume; PTV, planning target volume