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 |