Endpoint | ibIMRT (median and range) | sIMRT (median and range) | P value |
---|---|---|---|
PTVhr Dose (Median) | 59.9Gy (58.0–60.4Gy) | 59.8Gy (58.1–61.6Gy) | p = 0.33 |
PTVsr Dose (Median) | 56.0Gy (54.1–57.0Gy) | 59.8Gy (58.1–61.6Gy) | P < 0.001 |
V40 (volume of brain receiving 40Gy) | 14.9% (11.8–30.4%) | 18.3% (14.5–29.2%) | p = 0.005 |
V20 (volume of brain receiving 20Gy) | 45.8% (29.2–71.1%) | 52.6% (35.2–68.4%) | p = 0.001 |
Mean Dose to Brain | 22.3Gy (16.3–29.9) | 24.5Gy (19.3–30.9) | p = 0.007 |