|
OARs
|
RA-FFF(Gy)
|
RA(Gy)
|
IMRT(Gy)
|
p value
|
p
1
|
p
2
|
p
3
|
|---|
|
Spinal cord D1%
|
41.22 ± 2.51
|
39.58 ± 2.21
|
40.00 ± 1.46
|
0.061
|
—
|
—
|
—
|
|
Brain stem D1%
|
55.58 ± 3.25
|
53.22 ± 3.35
|
52.82 ± 2.52
|
0.014
|
0.013
|
0.017
|
0.359
|
|
Optic nerve (right) D1%
|
16.91 ± 22.14
|
17.93 ± 21.52
|
16.45 ± 19.50
|
0.007
|
0.059
|
0.959
|
0.059
|
|
Optic nerve (left) D1%
|
15.26 ± 18.32
|
16.55 ± 17.28
|
14.15 ± 15.75
|
0.061
|
—
|
—
|
—
|
|
Len (right) D1%
|
5.36 ± 2.65
|
5.74 ± 2.36
|
5.35 ± 2.54
|
0.236
|
—
|
—
|
—
|
|
Len (left) D1%
|
5.11 ± 2.08
|
5.32 ± 1.83
|
4.90 ± 1.95
|
0.232
|
—
|
—
|
—
|
|
Larynx Dmean
|
32.55 ± 2.97
|
31.83 ± 2.69
|
35.40 ± 1.90
|
0.001
|
0.025
|
0.007
|
0.005
|
|
Oral cavity Dmean
|
34.12 ± 2.23
|
33.31 ± 1.90
|
33.52 ± 1.38
|
0.025
|
0.017
|
0.169
|
0.646
|
|
Parotid (right) Dmean
|
35.95 ± 4.32
|
34.00 ± 3.87
|
36.57 ± 4.15
|
0.001
|
0.005
|
0.445
|
0.005
|
|
Parotid (left) Dmean
|
34.67 ± 3.62
|
33.47 ± 3.16
|
35.36 ± 2.97
|
< 0.001
|
0.005
|
0.059
|
0.005
|
|
Normal tissue Dmean
|
16.24 ± 2.10
|
16.41 ±2.09
|
16.20 ± 2.04
|
0.150
|
—
|
—
|
—
|
|
Skin Dmean
|
17.24 ± 2.31
|
16.82 ± 2.27
|
16.75 ± 2.32
|
0.008
|
0.017
|
0.007
|
0.646
|
- Abbreviations: Abbreviations as in Table 2.
