Table 6.
Number of parameter violations occurred in each group of head and neck plans
| Structure | Parameter | a - Clinical | b - Clin + TO | c - RP_1 | d - RP_1 + TO | e - RP_TO | f - RP_ TO+ |
|---|---|---|---|---|---|---|---|
| PTV 1 | D99 > 90% | 0 | 0 | 0 | 2 | 1 | 0 |
| D95 > 95% | 1 | 0 | 1 | 1 | 2 | 1 | |
| D5% < 105% | 0 | 0 | 0 | 0 | 0 | 0 | |
| D2% < 107% | 0 | 0 | 0 | 0 | 0 | 0 | |
| PTV LR | D99% > 74.8% | 0 | 0 | 0 | 0 | 1 | 1 |
| D95% > 78.9% | 1 | 0 | 0 | 0 | 1 | 0 | |
| PRV Brainstem | DMax < 48Gy | 0 | 0 | 0 | 0 | 0 | 0 |
| PRV Spinal Cord | D1% < 44Gy | 0 | 0 | 0 | 0 | 0 | 0 |
| DMax < 48Gy | 0 | 0 | 0 | 0 | 0 | 0 | |
| Left Parotid | DMean < 24Gy | 10 | 0 | 8 | 0 | 1 | 0 |
| Right Parotid | DMean < 24Gy | 10 | 2 | 11 | 1 | 5 | 1 |
| Total Fails | Parameters | 22 | 2 | 20 | 4 | 11 | 3 |
| Plans | 13 | 2 | 13 | 3 | 7 | 2 |