Regions of interest | O-VMAT | F-VMAT | p Values |
---|---|---|---|
PTV | |||
CI | 0.831 ± 0.093 | 0.830 ± 0.090 | 0.833 |
HI | 1.055 ± 0.014 | 1.050 ± 0.011 | 0.157 |
Spinal cord | |||
Dmax (cGy) | 3625.19 ± 376.55 | 3575.04 ± 343.55 | 0.208 |
Spinal cord PRV | |||
Dmax (cGy) | 4148.33 ± 280.23 | 4124.20 ± 289.31 | 0.263 |
Intestine | |||
V20 (%) | 29.68 ± 12.49 | 30.15 ± 11.89 | 0.624 |
V30 (%) | 16.68 ± 11.66 | 16.07 ± 11.65 | 0.161 |
V40 (%) | 9.44 ± 9.10 | 9.72 ± 9.41 | 0.123 |
interOARa | |||
Dmean (cGy) | 654.96 ± 113.38 | 490.84 ± 80.26 | 0.018 |
V3 (%) | 70.11 ± 17.86 | 40.17 ± 12.91 | 0.018 |
V5 (%) | 37.40 ± 12.86 | 26.71 ± 7.03 | 0.018 |
V10 (%) | 17.47 ± 4.56 | 13.25 ± 2.26 | 0.018 |
MUs | 766.40 ± 97.46 | 1133.21 ± 162.11 | 0.012 |