Planned dose | CBCT1 | CBCT2 | CBCT3 | CBCT4 | CBCT5 | p | |
---|---|---|---|---|---|---|---|
GTV | |||||||
D95 (cGy) | 228.6 ± 3.8 | 230.1 ± 5.0 | 227.8 ± 6.8 | 226.6 ± 6.3 | 228.5 ± 7.1 | 230.3 ± 9.9 | 0.83 |
D90 (cGy) | 233.2 ± 3.6 | 235.0 ± 5.1 | 231.6 ± 7.5 | 224.6 ± 23.3 | 232.9 ± 7.1 | 227.1 ± 23.4 | 0.57 |
CTV | |||||||
V110 | 29.3 ± 13.0 | 32.0 ± 14.0 | 28.9 ± 14.3 | 28.8 ± 13.9 | 30.3 + 14.7 | 30.1 + 14.2 | 1.00 |
D95 (cGy) | 188.6 ± 3.0 | 189.9 ± 4.5 | 188.1 ± 4.7 | 187.5 ± 4.5 | 188.0 ± 4.5 | 189.1 ± 5.0 | 0.86 |
D90 (cGy) | 192.8 ± 2.7 | 194.5 ± 3.7 | 192.7 ± 5.4 | 193.1 ± 4.9 | 193.0 ± 4.8 | 194.6 ± 3.3 | 0.83 |
D1 (cGy) | |||||||
Brainstem | 153.6 ± 11.2 | 150.1 ± 11.2 | 150.1 ± 15.8 | 151.6 ± 17.4 | 149.7 ± 16.6 | 152.1 ± 16.8 | 1.00 |
Cord | 130.3 ± 10.4 | 130.3 ± 6.3 | 133.7 ± 16.2 | 133.4 ± 11.6 | 130.5 ± 13.6 | 137.3 ± 16.0 | 0.79 |
Right parotid | |||||||
D50 (cGy) | 74.5 ± 3.4 | 79.9 ± 5.0 | 77.8 ± 4.5 | 81.6 ± 5.3 | 82.8 ± 6.2 | 82.2 ± 3.7 | 0.002 |
Dmean (cGy) | 95.6 ± 5.4 | 101.9 ± 5.3 | 99.1 ± 6.4 | 102.6 ± 6.8 | 106.1 ± 8.0 | 101.2 ± 4.4 | 0.012 |
V26 | 36.5 ± 3.0 | 41.5 ± 3.8 | 38.9 ± 4.3 | 41.3 ± 5.0 | 44.0 ± 4.5 | 42.3 ± 3.5 | 0.003 |
V32 | 29.3 ± 4.9 | 33.7 ± 4.7 | 31.2 ± 5.2 | 35.3 ± 5.2 | 36.7 ± 4.6 | 36.0 ± 4.0 | 0.006 |
Left parotid | |||||||
D50 (cGy) | 74.9 ± 2.6 | 80.0 ± 3.7 | 77.3 ± 5.7 | 76.4 ± 9.2 | 83.7 ± 7.3 | 82.0 ± 6.3 | 0.017 |
Dmean (cGy) | 94.8 ± 8.1 | 101.4 ± 10.2 | 99.6 ± 8.2 | 101.9 ± 7.6 | 104.6 ± 9.8 | 103.3 ± 7.6 | 0.18 |
V26 | 34.8 ± 3.3 | 39.8 ± 5.3 | 39.0 ± 2.7 | 40.5 ± 5.5 | 43.6 ± 6.4 | 42.9 ± 4.9 | 0.02 |
V32 | 27.5 ± 5.5 | 31.2 ± 6.7 | 31.2 ± 5.7 | 32.7 ± 5.9 | 35.1 ± 7.2 | 33.6 ± 7.6 | 0.17 |