Index | PSW (Gy(RBE) or %) | PSWO (Gy(RBE) or %) |
|---|
HI - whole brain | 1.038 ± 0.01 | 1.031 ± 0.01* |
IC - whole brain | 0.036 ± 0.01 | 0.03 ± 0.01* |
HI - brainstem | 1.064 ± 0.06 | 1.028 ± 0.05* |
IC - brainstem | 0.06 ± 0.05 | 0.026 ± 0.04* |
- Abbreviations: PSW passive scatter with compensator; PSWO passive scatter without compensator; HI (homogeneity index) = D5/D95; IC (inhomogeneity coefficient) = D5% - D95%/Dmean; Data presented as mean ± standard deviation. *significant vs. PSW (p < 0.05), Student’s t-test with Bonferroni correction for multiple comparisons.
