| Median (Range) | ||
---|---|---|---|
IMRT | VMAT | P* | |
Braina | |||
 Dmean (Gy) | 26.7 (12.0–36.5) | 27.6 (15.8–36.0) | 0.41 |
 Dmax (Gy) | 63.8 (62.6–66.2) | 63.5 (62.0–64.9) | 0.07 |
 V30Gy (%) | 34.5 (11.4–58.0) | 38.0 (19.3–61.5) | 0.16 |
 V60Gy (%) | 3.7 (0.7–9.6) | 3.3 (1.1–12.1) | 0.62 |
Brainb | |||
 GI50Gy | 1.9 (1.5–2.3) | 1.9 (1.5–2.4) | 0.08 |
 GI60Gy | 5.0 (2.8–31.6) | 6.4 (2.3–13.2) | 0.05 |
Brainstem | |||
 Dmean (Gy) | 28.7 (7.8–46.3) | 19.3 (0.8–39.2) | <0.001 |
 Dmax (Gy) | 53.7 (18.2–61.6) | 53.2 (2.2–60.4) | 0.13 |
 V30Gy (%) | 39.2 (0.0–88.1) | 26.1 (0.0–71.4) | 0.005 |
Ipsilateral Hippocampus | |||
 Dmean (Gy) | 53.0 (16.0–62.5) | 46.8 (1.6–62.3) | 0.06 |
 Dmax (Gy) | 60.5 (24.2–64.0) | 55.7 (3.2–63.5) | 0.12 |
 D100% (Gy) | 31.7 (3.0–59.1) | 19.7 (1.0–59.6) | 0.03 |
Contralateral Hippocampus | |||
 Dmean (Gy) | 20.3 (10.9–55.9) | 22.5 (0.9–55.8) | 0.25 |
 Dmax (Gy) | 34.7 (18.3–61.9) | 39.3 (1.7–62.8) | 0.26 |
 D100% (Gy) | 13.1 (2.1–46.3) | 13.4 (0.7–50.8) | 0.88 |
Bilateral Hippocampus | |||
 Dmean (Gy) | 35.7 (13.7–57.0) | 35.1 (1.3–56.3) | 0.79 |
 Dmax (Gy) | 60.5 (24.2–64.0) | 56.0 (3.2–63.5) | 0.15 |
 D100% (Gy) | 12.3 (2.1–46.3) | 11.6 (0.7–47.0) | 0.95 |
Optic Chiasm | |||
 Dmean (Gy) | 35.8 (1.3–52.9) | 35.7 (1.5–52.5) | 0.84 |
 Dmax (Gy) | 51.6 (2.3–55.7) | 51.3 (1.8–53.9) | 0.52 |
Ipsilateral Optic Nerve | |||
 Dmean (Gy) | 20.9 (0.7–49.7) | 20.7 (0.9–47.8) | 0.73 |
 Dmax (Gy) | 35.9 (1.1–55.7) | 43.6 (1.3–54.5) | 0.72 |
Contralateral Optic Nerve | |||
 Dmean (Gy) | 9.9 (0.6–46.4) | 12.2 (0.8–44.9) | 0.46 |
 Dmax (Gy) | 19.5 (1.0–55.0) | 23.6 (1.2–54.7) | 0.80 |
Ipsilateral Cochlea | |||
 Dmean (Gy) | 25.6 (3.0–61.9) | 5.9 (0.5–48.2) | <0.001 |
 Dmax (Gy) | 30.8 (3.6–62.3) | 6.8 (0.6–53.7) | <0.001 |
Contralateral Cochlea | |||
 Dmean (Gy) | 12.7 (1.7–25.8) | 3.2 (0.4–20.0) | <0.001 |
 Dmax (Gy) | 15.0 (2.0–29.6) | 3.8 (0.4–23.7) | <0.001 |
Ipsilateral Eye | |||
 Dmean (Gy) | 3.6 (0.4–24.4) | 5.1 (0.6–22.5) | 0.08 |
 Dmax (Gy) | 7.9 (1.0–49.6) | 15.1 (1.0–46.5) | 0.32 |
Contralateral Eye | |||
 Dmean (Gy) | 3.1 (0.4–8.5) | 4.0 (0.6–20.9) | 0.08 |
 Dmax (Gy) | 7.1 (0.5–40.2) | 9.9 (1.0–37.2) | 0.07 |
Ipsilateral Lens | |||
 Dmean (Gy) | 2.2 (0.4–5.6) | 2.7 (0.5–14.4) | 0.18 |
 Dmax (Gy) | 2.6 (0.4–8.3) | 3.1 (0.6–16.8) | 0.41 |
Contralateral Lens | |||
 Dmean (Gy) | 1.7 (0.3–19.7) | 2.4 (0.5–14.3) | 0.02 |
 Dmax (Gy) | 2.0 (0.3–31.2) | 2.7 (0.6–17.1) | 0.05 |