Table 3.
Comparison of QA scores before and after KBP model reoptimization
| Structure | Dose parameter | Submitted plans |
KBP reoptimized plans |
||||
|---|---|---|---|---|---|---|---|
| Score 1 | Score 2 | Score 3 | Score 1 | Score 2 | Score 3 | ||
| PTV_6996 | V69.96 Gy (%) | 26 | 6 | 2 | 29 | 5 | 0 |
| PTV_6996 | D0.03cc (Gy) | 32 | 1 | 1 | 34 | 0 | 0 |
| PTV_5940 | V59.4 Gy (%) | 26 | 8 | 0 | 30 | 4 | 0 |
| PTV_5412 | V54.12 Gy (%) | 34 | 0 | 0 | 34 | 0 | 0 |
| Brain stem | D0.03cc (Gy) | 11 | 22 | 1 | 34 | 0 | 0 |
| Spinal cord | D0.03cc (Gy) | 31 | 3 | 0 | 34 | 0 | 0 |
| Optic nerve_R | D0.03cc (Gy) | 33 | 1 | 0 | 34 | 0 | 0 |
| Optic nerve_L | D0.03cc (Gy) | 32 | 1 | 1 | 34 | 0 | 0 |
| Optic chiasm | D0.03cc (Gy) | 30 | 3 | 1 | 34 | 0 | 0 |
| Mandible | D0.03cc (Gy) | 14 | 18 | 2 | 28 | 6 | 0 |
| TMjoint_R | D0.03cc (Gy) | 34 | 0 | 0 | 34 | 0 | 0 |
| TMjoint_L | D0.03cc (Gy) | 34 | 0 | 0 | 34 | 0 | 0 |
| Temporal Lobe_R | D0.03cc (Gy) | 25 | 4 | 5 | 33 | 0 | 1 |
| Temporal Lobe_L | D0.03cc (Gy) | 27 | 3 | 4 | 31 | 3 | 0 |
| Parotid_R | Dmean (Gy) | 4 | 10 | 20 | 8 | 23 | 3 |
| Parotid_L | Dmean (Gy) | 6 | 2 | 26 | 9 | 20 | 5 |
Abbreviations: KBP = knowledge-based planning; PTV = planning target volume; QA = quality assurance.