Table 2 Dosimetric parameters related to hyper-fractionated radiotherapy for the target lesion
Parameters | Median | Mean ± standard deviation | Minimum | Maximum |
|---|---|---|---|---|
BED (Gy) | 72.8 | 74.5 ± 15.5 | 39.0 | 152.0 |
TC (%) | 95.7 | 93.9 ± 7.5 | 55.0 | 100.0 |
PITV | 1.2 | 1.5 ± 1.0 | 0.7 | 10.2 |
CI | 0.7 | 0.7 ± 0.2 | 0.1 | 1.0 |
HI | 0.1 | 0.2 ± 0.1 | 0.0 | 0.6 |
GI | 3.8 | 4.5 ± 1.0 | 0.7 | 10.2 |
Dose dropping zone Dmean (Gy) | 53.9 | 51.1 ± 12.9 | 12.2 | 94.4 |
Dose dropping zone V95 (%) | 98.0 | 89.5 ± 16.4 | 6.1 | 100.0 |
Normal brain tissue Dmean BED (Gy) in HFRT group | 3.7 | 4.8 ± 3.9 | 0.2 | 17.4 |
Normal brain tissue Dmean BED (Gy) in WBRT + HFRT group | 49.4 | 35.8 ± 21.8 | 2.5 | 59.8 |