|
Median (Range)
|
---|
IMRT
|
VMAT
|
P*
|
---|
bPTV
|
Dmin (Gy)
|
58.9 (55.6–59.7)
|
58.8 (57.2–60.0)
|
0.12
|
Dmean (Gy)
|
62.0 (61.7–62.3)
|
62.1 (61.9–62.6)
|
0.83
|
Dmax (Gy)
|
63.9 (63.2–65.8)
|
63.7 (63.1–64.7)
|
0.35
|
V60Gy (%)
|
99.8 (97.8–100.0)
|
99.7 (98.7–100.0)
|
0.17
|
II (Gy)
|
2.0 (1.3–2.4)
|
1.8 (1.1–2.4)
|
0.35
|
PTV
|
Dmin(Gy)
|
45.4 (40.8–47.9)
|
41.2 (35.2–45.4)
|
0.03
|
Dmean (Gy)
|
56.7 (55.7–58.0)
|
56.1 (54.7–57.8)
|
0.03
|
Dmax (Gy)
|
63.9 (63.2–65.8)
|
63.7 (63.1–64.7)
|
0.35
|
V50Gy (%)
|
98.5 (95.8–99.8)
|
96.7 (95.9–98.9)
|
0.12
|
II (Gy)
|
11.4 (10.9–12.0)
|
11.8 (11.6–12.5)
|
0.17
|
-
IMRT intensity modulated radiation therapy, VMAT volumetric arc therapy, bPTV boost planning target volume prescribed to 60 Gy, PTV planning target volume prescribed to 50 Gy, D
min
minimum dose, D
mean
mean dose, D
max
maximum dose, V
XXGy
volume receiving XX Gy or more, II inhomogeneity index
- *From Wilcoxon signed rank sum analysis