From: On the performances of different IMRT treatment planning systems for selected paediatric cases
 |  | Objectives | Patient 1 | Patient 2 | Patient 3 | Patient 4 |
---|---|---|---|---|---|---|
PTV1 | Prescription | - | 44.8 | 45.0 | 45.0 | 18.0 |
 | D1% Gy | Prescript | 50.4 ± 0.8 | 48.1 ± 1.5 | 50.2 ± 1.2 | 20.5 ± 0.9 |
 | D99% Gy | Prescript | 35.3 ± 2.2 | 40.5 ± 1.8 | 38.7 ± 1.3 | 14.4 ± 1.5 |
 | V90% % | 100% | 93.6 ± 2.6 | 98.4 ± 1.6 | 96.3 ± 2.5 | 96.7 ± 2.3 |
 | V107% % | 0% | 10.8 ± 5.4 | 2.7 ± 4.4 | 8.6 ± 4.9 | 9.4 ± 6.3 |
 | SD Gy | 0 Gy | 3.0 ± 0.5 | 1.5 ± 0.7 | 2.4 ± 0.5 | 1.1 ± 0.3 |
 | CI | 1.0 | 1.14 ± 0.08 | 1.28 ± 0.10 | 1.58 ± 0.26 | 1.26 ± 0.14 |
PTV2 | Prescription | - | 9.6 | 5.4 | 5.4 | - |
 | D1% Gy | Prescript | 11.4 ± 1.5 | 6.1 ± 0.6 | 6.6 ± 1.4 | - |
 | D99% Gy | Prescript | 6.1 ± 2.5 | 4.3 ± 0.7 | 3.9 ± 1.6 | - |
 | V90% % | 100% | 88.4 ± 10.9 | 91.8 ± 10.8 | 89.6 ± 16.9 | - |
 | V107% % | 0% | 18.6 ± 18.5 | 14.2 ± 16.5 | 14.6 ± 19.7 | - |
 | SD Gy | 0 Gy | 1.1 ± 1.0 | 0.4 ± 0.3 | 0.6 ± 0.7 | - |
 | CI | 1.0 | 1.07 ± 0.15 | 1.37 ± 0.16 | 1.33 ± 0.13 | - |
PTV2 (total) | Prescription | - | 54.4 | 50.4 | 50.4 | - |
 | Mean Gy | Prescript. | 54.1 ± 0.5 | 50.6 ± 0.2 | 50.2 ± 0.1 | - |
 | Max pt Gy | Prescript | 63.5 ± 2.7 | 54.2 ± 2.0 | 57.3 ± 2.1 | - |
 | D1% Gy | Prescript | 60.3 ± 1.3 | 53.1 ± 1.3 | 55.7 ± 1.6 | - |
 | D99% Gy | Prescript | 42.7 ± 1.4 | 46.8 ± 1.4 | 43.1 ± 1.3 | - |
 | V90% % | 100% | 91.3 ± 4.5 | 99.6 ± 0.6 | 95.4 ± 2.3 | - |
 | V107% % | 0% | 10.3 ± 7.6 | 1.4 ± 3.2 | 7.1 ± 3.9 | - |
Vertebra | Mean Gy | <20 Gy | 22.8 ± 2.5 | 18.0 ± 1.8 | - | - |
Spinal Cord | Max pt Gy | <45 Gy | 33.3 ± 7.2 | 25.1 ± 4.7 | - | - |
 | D1% Gy | Minimise | 29.0 ± 7.8 | 23.1 ± 3.9 | - | - |
Right Lung | Mean Gy | < 15 Gy | 10.8 ± 1.3 | 9.6 ± 1.5 | - | - |
 | V20 Gy % | Minimise | 7.6 ± 4.4 | 18.8 ± 4.1 | - | - |
Left (uninv.) Lung | Mean Gy | < 15 Gy | 18.5 ± 2.2 | 12.6 ± 1.5 | - | - |
 | V20 Gy % | Minimise | 38.3 ± 8.1 | 27.9 ± 6.0 | - | - |
Heart | Mean Gy | <30 Gy | 27.4 ± 2.6 | 3.9 ± 0.9 | - | - |
 | Max pt Gy | Minimise | 55.1 ± 2.4 | 43.2 ± 6.9 | - | - |
 | D1% Gy | Minimise | 51.4 ± 3.6 | 39.8 ± 7.8 | - | - |
Uterus | Mean Gy | <20 Gy | - | - | 18.9 ± 1.8 | - |
 | V20 Gy % | Minimise | - | - | 26.2 ± 20.6 | - |
Rectum | Mean Gy | <40 Gy | - | - | 23.6 ± 3.1 | - |
 | V40 Gy % | Minimise | - | - | 15.3 ± 7.7 | - |
Bladder | Mean Gy | <30 Gy | - | - | 24.4 ± 3.6 | - |
 | V30 Gy % | Minimise | - | - | 16.9 ± 15.8 | - |
Right Femur | Mean Gy | <20 Gy | - | - | 19.2 ± 3.2 | - |
 | Max pt Gy | Minimise | - | - | 40.7 ± 3.6 | - |
Left Femur | Mean Gy | <20 Gy | - | - | 18.7 ± 2.6 | - |
 | Max pt Gy | Minimise | - | - | 38.4 ± 4.0 | - |
Kidney | Mean Gy | <10 Gy | - | - | - | 7.9 ± 1.6 |
 | Max pt Gy | Minimise | - | - | - | 15.0 ± 2.3 |
 | D1% Gy | Minimise | - | - | - | 13.7 ± 2.0 |
 | V5 Gy % | Minimise | - | - | - | 83.6 ± 20.3 |
Healthy tissue | Mean Gy | Minimise | 8.2 ± 0.7 | 4.6 ± 0.7 | 13.7 ± 1.7 | 7.5 ± 0.8 |
 | Max pt Gy | Minimise | 61.6 ± 5.3 | 52.2 ± 2.2 | 57.0 ± 3.8 | 20.8 ± 1.7 |
 | V10 Gy cm3 | Minimise | 2700 ± 300 | 1060 ± 170 | 3620 ± 240 | 1450 ± 300 |
 | nV10 Gy | Minimise | 4.8 ± 0.6 | 9.5 ± 1.7 | 5.8 ± 0.4 | 1.2 ± 0.3 |
 | V90% cm3 | Minimise | 74 ± 30 | 24 ± 8 | 189 ± 120 | 334 ± 122 |