Structure | Parameter | Objective | SFRT_1 | SFRT_2 | SBRT | Comparator |
---|---|---|---|---|---|---|
CTV | D90% | 30 Gy | 30 | 30 | 30 | – |
V45Gy (150%) | ≥ 50–55% | 43.1 ± 7.5 [33.0,55.9] | 56.6 ± 5.6 [45.4,64.8] | 2.3 ± 3.8 [0,10.6] | 61.0 ± 3.8 [56.0,66.4] | |
V60Gy (200%) | ≥ 30% | 15.4 ± 5.6 [6.9,23.9] | 26.8 ± 6.6 [17.3,34.2] | 0 [0,0] | 37.2 ± 3.6 [31.6,41.8] | |
PTV2mm | D90% | 30 Gy | 23.2 ± 1.3 [21.0,24.5] | 23.4 ± 1.7 [21.1,24.7] | 23.1 ± 1.1 [21.5,24.3] | – |
PTV5mm | D90% | 30 Gy | 20.0 ± 1.4 [19.0,21.8] | 22.6 ± 2.1 [17.4,22.2] | 19.9 ± 1.1 [17.9,26.2] | – |
Bladder | D2cm3 | ≤ 23.75 (27.5) Gy | 22.4 ± 2.0 [20.2,27.0] | 22.6 ± 2.1 [20.6,27.3] | 21.6 ± 2.3 [17.9,26.2] | – |
Rectum | D2cm3 | ≤ 17.0 (19.45) Gy | 13.9 ± 2.9 [11.2,19.6] | 13.2 ± 3.0 [10.3,18.7] | 12.7 ± 3.9 [8.0,21.6] | – |
Sigmoid | D2cm3 | ≤ 19.5 (21.65) Gy | 2.6 ± 3.1 [0.5,10.4] | 2.8 ± 3.0 [0.5,9.9] | 2.5 ± 2.7 [0.4,8.1] | – |
Bowel | D2cm3 | ≤ 17.0 (19.45) Gy | 9.1 ± 5.9 [1.2,17.6] | 9.7 ± 7.3 [1.0,18.4] | 9.6 ± 6.6 [2.7,18.0] | – |