Table 2 Summary of the planning objectives and average results (uncertainty expressed as 1 standard deviation) for the clinical target volume (CTV) and for the planning target volume (PTV)
Parameter | Objective | RA | IMPT | p |
|---|---|---|---|---|
CTV | ||||
Volume: 303 ± 226 Range: [50–927] cm3 | ||||
Mean [Gy] | 30 | 30.0 ± 0.0 | 30.0 ± 0.0 | |
D95% [Gy] | > 29.4 (98%) | 29.6 ± 0.1 | 29.6 ± 0.1 | 0.3 |
D98% [Gy] | > 25.5 (95%) | 29.4 ± 0.1 | 29.4 ± 0.2 | 0.5 |
D1% [Gy] | < 32.1 (107%) | 30.9 ± 0.2 | 31.0 ± 0.2 | 0.1 |
St. Dev [Gy] | Minimize | 0.3 ± 0.1 | 0.4 ± 0.1 | 0.01 |
HI | Minimize | 0.04 ± 0.01 | 0.05 ± 0.01 | 0.1 |
PTV | ||||
Volume: 639 ± 370 Range: [117–1456] cm3 | ||||
Mean [Gy] | 30 | 29.9 ± 0.1 | 29.9 ± 0.1 | 0.3 |
D95% [Gy] | > 28.5 (95%) | 28.7 ± 0.3 | 28.8 ± .03 | 0.2 |
D98% [Gy] | > 27.0 (90%) | 28.0 ± 0.4 | 28.1 ± .04 | 0.5 |
D2% [Gy] | < 32.1 (107%) | 31.1 ± 0.2 | 31.4 ± 0.3 | 0.01 |
St. Dev [Gy] | Minimize | 0.6 ± 0.1 | 0.7 ± 0.2 | 0.08 |
HI | Minimize | 0.07 ± 0.02 | 0.06 ± 0.01 | 0.07 |