Table 2. Dosimetric parameters comparison between SBT and SBRT.
Dosimetric index | SBT(means±SD) | SBRT(means±SD) | p |
---|---|---|---|
Prescription dose(Gy) | 120 | 48 | - |
Prescription dose(BED)(Gy) | 100.86 | 105.6 | - |
D90(Gy) | 124.70±2.91 | 48.87±1.01 | - |
D90(BED)(Gy) | 104.73±2.10 | 107.64±2.29 | 0.006 |
V150 (%) | 64.71±5.80 | 0±0 | - |
V100 (%) | 91.65±1.06 | 92.44±2.62 | 0.410 |
V95 (%) | 94.13±2.12 | 99.25±0.64 | <0.001 |
HI | 0.27±0.06 | 1.19±0.051 | - |
HI deviation | 0.73±0.06 | 0.19±0.051 | <0.001 |
CI | 0.77±0.05 | 0.81±0.06 | 0.031 |